What is the difference between “opacity” and “filter: opacity()”
Most of us know the simple opacity
CSS rule, but recently I stumbled upon filter
which can have opacity(amount)
as it value - among other things. But what exactly is the difference between the two?
css3 transparency opacity
add a comment |
Most of us know the simple opacity
CSS rule, but recently I stumbled upon filter
which can have opacity(amount)
as it value - among other things. But what exactly is the difference between the two?
css3 transparency opacity
add a comment |
Most of us know the simple opacity
CSS rule, but recently I stumbled upon filter
which can have opacity(amount)
as it value - among other things. But what exactly is the difference between the two?
css3 transparency opacity
Most of us know the simple opacity
CSS rule, but recently I stumbled upon filter
which can have opacity(amount)
as it value - among other things. But what exactly is the difference between the two?
css3 transparency opacity
css3 transparency opacity
asked Dec 1 '13 at 8:25
Bram VanroyBram Vanroy
13k1361131
13k1361131
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
filter
in CSS had some different runs, namely for FireFox and MSIE.
In MSIE 5.5 on through 7, filter
, also known as Alpha Filter
, actually makes use of MSIE's DX Filter (no longer supported). However, in order to be more CSS2.1 compliant, in IE8 MS introduced -ms-filter
to replace filter
. The syntax is different in that the value of -ms-filter
must be encased in quotes. Eventually, IE9 brought deprecation to this method and as of IE10, it is no longer used.
Another interesting note here, if you're wanting full compatibility for older IE, then you must make sure use of filter
and -ms-filter
must be very specific. For example, the following does not work in IE8 running IE7 compat mode:
element
filter: alpha(opacity=50);
-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
-ms-filter
must come before filter
in order to get more out of older IE compatibility.Like so:
element
-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
filter: alpha(opacity=50);
FireFox made use of filter
as an experiment gone awry. I believe the original idea was to mock what IE was doing in using the Direct X engine. There was even a browser specific version, as there was for most browsers at one time. Eventually, HTML5/CSS3 announced use of the filter
namespace and it now has a new purpose.
As of CSS3, filter
now has a whole new meaning! Firefox docs stay open as if they plan to expand on this, though I've yet to see it (however they do crash JS if your CSS is not to its liking now!). Webkit (which will probably become standard in next update to CSS3) has started to implement filter
to the point you can almost "photoshop" images for your site!
Since filter is changing so much, opacity
would be the preferred method to use, however, as you can see, to be completely cross-browser compatible means being very thorough.
Browser specific alternates:
- -webkit-filter: filter(value);
- -moz-filter: filter(value);
- -o-filter: filter(value);
- -ms-filter: "progid:DXCLASS.Object.Attr(value)";
See Also:
- What's compatible with
opacity
?
What's compatible with the newerfilter
?- keep in mind, not the same as Older IE's filter
3
I know, this post is dead, but, why is this answere is marked as correct? you only discribe about filter and -ms-filter (and the other browser specific filters). you didn't answere the question: what's the difference between using e.g.opacity:0.2
andfilter:opactity(20%)
?
– Matthias Burger
Jan 5 '17 at 8:35
@MatthiasBurger " ... filter is changing so much, opacity would be the preferred method to use ... " Because OP got exactly what s/he wanted out of it.
– SpYk3HH
Jan 6 '17 at 17:27
So to conclude... there is no reason to usefilter
overopacity
except for IE < 6 compatibility (or IE < 9, as support is "partial" in between) ?
– AdrienK
Jan 18 '17 at 9:26
@AdrienK Yeah pretty much.filter
is really only for IE 5-7, and-ms-filter-
is good till 9. For everything else, just useopacity
. I'd encourage more "Your browser is not compat. Please upg" type pages for anything IE<=9
– SpYk3HH
Jan 18 '17 at 14:20
add a comment |
filter: opacity() applies transparency to the samples in the input image. The value of “amount” defines the proportion of the conversion.
A value of 0% is completely transparent. A value of 100% leaves the
input unchanged. Values between 0% and 100% are linear multipliers on
the effect. This is equivalent to multiplying the input image samples
by amount. If the “amount” parameter is missing, a value of 100% is
used.
filter: opacity() is similar to the more established opacity property; the difference is that with filters, some browsers provide
hardware acceleration for better performance. Negative values are not
allowed.
Source: https://css-tricks.com/almanac/properties/f/filter/
/* USAGE EXAMPLE:
* -----------
* filter: opacity([ <number> or <percentage> ])
* -----------
*/
.filter-opacity
filter: opacity(0.3);
height: 5rem;
width: 5rem;
background-color: mediumvioletred;
.just-opacity
opacity: 0.3;
height: 5rem;
width: 5rem;
background-color: lawngreen;
<div class="filter-opacity">
filter-opacity
</div>
<div class="just-opacity">
just-opacity
</div>
typo? u comparingfilter: opacity()
andfilter: opacity()
– Ivan
2 days ago
add a comment |
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2 Answers
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filter
in CSS had some different runs, namely for FireFox and MSIE.
In MSIE 5.5 on through 7, filter
, also known as Alpha Filter
, actually makes use of MSIE's DX Filter (no longer supported). However, in order to be more CSS2.1 compliant, in IE8 MS introduced -ms-filter
to replace filter
. The syntax is different in that the value of -ms-filter
must be encased in quotes. Eventually, IE9 brought deprecation to this method and as of IE10, it is no longer used.
Another interesting note here, if you're wanting full compatibility for older IE, then you must make sure use of filter
and -ms-filter
must be very specific. For example, the following does not work in IE8 running IE7 compat mode:
element
filter: alpha(opacity=50);
-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
-ms-filter
must come before filter
in order to get more out of older IE compatibility.Like so:
element
-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
filter: alpha(opacity=50);
FireFox made use of filter
as an experiment gone awry. I believe the original idea was to mock what IE was doing in using the Direct X engine. There was even a browser specific version, as there was for most browsers at one time. Eventually, HTML5/CSS3 announced use of the filter
namespace and it now has a new purpose.
As of CSS3, filter
now has a whole new meaning! Firefox docs stay open as if they plan to expand on this, though I've yet to see it (however they do crash JS if your CSS is not to its liking now!). Webkit (which will probably become standard in next update to CSS3) has started to implement filter
to the point you can almost "photoshop" images for your site!
Since filter is changing so much, opacity
would be the preferred method to use, however, as you can see, to be completely cross-browser compatible means being very thorough.
Browser specific alternates:
- -webkit-filter: filter(value);
- -moz-filter: filter(value);
- -o-filter: filter(value);
- -ms-filter: "progid:DXCLASS.Object.Attr(value)";
See Also:
- What's compatible with
opacity
?
What's compatible with the newerfilter
?- keep in mind, not the same as Older IE's filter
3
I know, this post is dead, but, why is this answere is marked as correct? you only discribe about filter and -ms-filter (and the other browser specific filters). you didn't answere the question: what's the difference between using e.g.opacity:0.2
andfilter:opactity(20%)
?
– Matthias Burger
Jan 5 '17 at 8:35
@MatthiasBurger " ... filter is changing so much, opacity would be the preferred method to use ... " Because OP got exactly what s/he wanted out of it.
– SpYk3HH
Jan 6 '17 at 17:27
So to conclude... there is no reason to usefilter
overopacity
except for IE < 6 compatibility (or IE < 9, as support is "partial" in between) ?
– AdrienK
Jan 18 '17 at 9:26
@AdrienK Yeah pretty much.filter
is really only for IE 5-7, and-ms-filter-
is good till 9. For everything else, just useopacity
. I'd encourage more "Your browser is not compat. Please upg" type pages for anything IE<=9
– SpYk3HH
Jan 18 '17 at 14:20
add a comment |
filter
in CSS had some different runs, namely for FireFox and MSIE.
In MSIE 5.5 on through 7, filter
, also known as Alpha Filter
, actually makes use of MSIE's DX Filter (no longer supported). However, in order to be more CSS2.1 compliant, in IE8 MS introduced -ms-filter
to replace filter
. The syntax is different in that the value of -ms-filter
must be encased in quotes. Eventually, IE9 brought deprecation to this method and as of IE10, it is no longer used.
Another interesting note here, if you're wanting full compatibility for older IE, then you must make sure use of filter
and -ms-filter
must be very specific. For example, the following does not work in IE8 running IE7 compat mode:
element
filter: alpha(opacity=50);
-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
-ms-filter
must come before filter
in order to get more out of older IE compatibility.Like so:
element
-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
filter: alpha(opacity=50);
FireFox made use of filter
as an experiment gone awry. I believe the original idea was to mock what IE was doing in using the Direct X engine. There was even a browser specific version, as there was for most browsers at one time. Eventually, HTML5/CSS3 announced use of the filter
namespace and it now has a new purpose.
As of CSS3, filter
now has a whole new meaning! Firefox docs stay open as if they plan to expand on this, though I've yet to see it (however they do crash JS if your CSS is not to its liking now!). Webkit (which will probably become standard in next update to CSS3) has started to implement filter
to the point you can almost "photoshop" images for your site!
Since filter is changing so much, opacity
would be the preferred method to use, however, as you can see, to be completely cross-browser compatible means being very thorough.
Browser specific alternates:
- -webkit-filter: filter(value);
- -moz-filter: filter(value);
- -o-filter: filter(value);
- -ms-filter: "progid:DXCLASS.Object.Attr(value)";
See Also:
- What's compatible with
opacity
?
What's compatible with the newerfilter
?- keep in mind, not the same as Older IE's filter
3
I know, this post is dead, but, why is this answere is marked as correct? you only discribe about filter and -ms-filter (and the other browser specific filters). you didn't answere the question: what's the difference between using e.g.opacity:0.2
andfilter:opactity(20%)
?
– Matthias Burger
Jan 5 '17 at 8:35
@MatthiasBurger " ... filter is changing so much, opacity would be the preferred method to use ... " Because OP got exactly what s/he wanted out of it.
– SpYk3HH
Jan 6 '17 at 17:27
So to conclude... there is no reason to usefilter
overopacity
except for IE < 6 compatibility (or IE < 9, as support is "partial" in between) ?
– AdrienK
Jan 18 '17 at 9:26
@AdrienK Yeah pretty much.filter
is really only for IE 5-7, and-ms-filter-
is good till 9. For everything else, just useopacity
. I'd encourage more "Your browser is not compat. Please upg" type pages for anything IE<=9
– SpYk3HH
Jan 18 '17 at 14:20
add a comment |
filter
in CSS had some different runs, namely for FireFox and MSIE.
In MSIE 5.5 on through 7, filter
, also known as Alpha Filter
, actually makes use of MSIE's DX Filter (no longer supported). However, in order to be more CSS2.1 compliant, in IE8 MS introduced -ms-filter
to replace filter
. The syntax is different in that the value of -ms-filter
must be encased in quotes. Eventually, IE9 brought deprecation to this method and as of IE10, it is no longer used.
Another interesting note here, if you're wanting full compatibility for older IE, then you must make sure use of filter
and -ms-filter
must be very specific. For example, the following does not work in IE8 running IE7 compat mode:
element
filter: alpha(opacity=50);
-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
-ms-filter
must come before filter
in order to get more out of older IE compatibility.Like so:
element
-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
filter: alpha(opacity=50);
FireFox made use of filter
as an experiment gone awry. I believe the original idea was to mock what IE was doing in using the Direct X engine. There was even a browser specific version, as there was for most browsers at one time. Eventually, HTML5/CSS3 announced use of the filter
namespace and it now has a new purpose.
As of CSS3, filter
now has a whole new meaning! Firefox docs stay open as if they plan to expand on this, though I've yet to see it (however they do crash JS if your CSS is not to its liking now!). Webkit (which will probably become standard in next update to CSS3) has started to implement filter
to the point you can almost "photoshop" images for your site!
Since filter is changing so much, opacity
would be the preferred method to use, however, as you can see, to be completely cross-browser compatible means being very thorough.
Browser specific alternates:
- -webkit-filter: filter(value);
- -moz-filter: filter(value);
- -o-filter: filter(value);
- -ms-filter: "progid:DXCLASS.Object.Attr(value)";
See Also:
- What's compatible with
opacity
?
What's compatible with the newerfilter
?- keep in mind, not the same as Older IE's filter
filter
in CSS had some different runs, namely for FireFox and MSIE.
In MSIE 5.5 on through 7, filter
, also known as Alpha Filter
, actually makes use of MSIE's DX Filter (no longer supported). However, in order to be more CSS2.1 compliant, in IE8 MS introduced -ms-filter
to replace filter
. The syntax is different in that the value of -ms-filter
must be encased in quotes. Eventually, IE9 brought deprecation to this method and as of IE10, it is no longer used.
Another interesting note here, if you're wanting full compatibility for older IE, then you must make sure use of filter
and -ms-filter
must be very specific. For example, the following does not work in IE8 running IE7 compat mode:
element
filter: alpha(opacity=50);
-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
-ms-filter
must come before filter
in order to get more out of older IE compatibility.Like so:
element
-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
filter: alpha(opacity=50);
FireFox made use of filter
as an experiment gone awry. I believe the original idea was to mock what IE was doing in using the Direct X engine. There was even a browser specific version, as there was for most browsers at one time. Eventually, HTML5/CSS3 announced use of the filter
namespace and it now has a new purpose.
As of CSS3, filter
now has a whole new meaning! Firefox docs stay open as if they plan to expand on this, though I've yet to see it (however they do crash JS if your CSS is not to its liking now!). Webkit (which will probably become standard in next update to CSS3) has started to implement filter
to the point you can almost "photoshop" images for your site!
Since filter is changing so much, opacity
would be the preferred method to use, however, as you can see, to be completely cross-browser compatible means being very thorough.
Browser specific alternates:
- -webkit-filter: filter(value);
- -moz-filter: filter(value);
- -o-filter: filter(value);
- -ms-filter: "progid:DXCLASS.Object.Attr(value)";
See Also:
- What's compatible with
opacity
?
What's compatible with the newerfilter
?- keep in mind, not the same as Older IE's filter
edited Dec 3 '13 at 17:51
answered Dec 2 '13 at 20:27
SpYk3HHSpYk3HH
19.2k85876
19.2k85876
3
I know, this post is dead, but, why is this answere is marked as correct? you only discribe about filter and -ms-filter (and the other browser specific filters). you didn't answere the question: what's the difference between using e.g.opacity:0.2
andfilter:opactity(20%)
?
– Matthias Burger
Jan 5 '17 at 8:35
@MatthiasBurger " ... filter is changing so much, opacity would be the preferred method to use ... " Because OP got exactly what s/he wanted out of it.
– SpYk3HH
Jan 6 '17 at 17:27
So to conclude... there is no reason to usefilter
overopacity
except for IE < 6 compatibility (or IE < 9, as support is "partial" in between) ?
– AdrienK
Jan 18 '17 at 9:26
@AdrienK Yeah pretty much.filter
is really only for IE 5-7, and-ms-filter-
is good till 9. For everything else, just useopacity
. I'd encourage more "Your browser is not compat. Please upg" type pages for anything IE<=9
– SpYk3HH
Jan 18 '17 at 14:20
add a comment |
3
I know, this post is dead, but, why is this answere is marked as correct? you only discribe about filter and -ms-filter (and the other browser specific filters). you didn't answere the question: what's the difference between using e.g.opacity:0.2
andfilter:opactity(20%)
?
– Matthias Burger
Jan 5 '17 at 8:35
@MatthiasBurger " ... filter is changing so much, opacity would be the preferred method to use ... " Because OP got exactly what s/he wanted out of it.
– SpYk3HH
Jan 6 '17 at 17:27
So to conclude... there is no reason to usefilter
overopacity
except for IE < 6 compatibility (or IE < 9, as support is "partial" in between) ?
– AdrienK
Jan 18 '17 at 9:26
@AdrienK Yeah pretty much.filter
is really only for IE 5-7, and-ms-filter-
is good till 9. For everything else, just useopacity
. I'd encourage more "Your browser is not compat. Please upg" type pages for anything IE<=9
– SpYk3HH
Jan 18 '17 at 14:20
3
3
I know, this post is dead, but, why is this answere is marked as correct? you only discribe about filter and -ms-filter (and the other browser specific filters). you didn't answere the question: what's the difference between using e.g.
opacity:0.2
and filter:opactity(20%)
?– Matthias Burger
Jan 5 '17 at 8:35
I know, this post is dead, but, why is this answere is marked as correct? you only discribe about filter and -ms-filter (and the other browser specific filters). you didn't answere the question: what's the difference between using e.g.
opacity:0.2
and filter:opactity(20%)
?– Matthias Burger
Jan 5 '17 at 8:35
@MatthiasBurger " ... filter is changing so much, opacity would be the preferred method to use ... " Because OP got exactly what s/he wanted out of it.
– SpYk3HH
Jan 6 '17 at 17:27
@MatthiasBurger " ... filter is changing so much, opacity would be the preferred method to use ... " Because OP got exactly what s/he wanted out of it.
– SpYk3HH
Jan 6 '17 at 17:27
So to conclude... there is no reason to use
filter
over opacity
except for IE < 6 compatibility (or IE < 9, as support is "partial" in between) ?– AdrienK
Jan 18 '17 at 9:26
So to conclude... there is no reason to use
filter
over opacity
except for IE < 6 compatibility (or IE < 9, as support is "partial" in between) ?– AdrienK
Jan 18 '17 at 9:26
@AdrienK Yeah pretty much.
filter
is really only for IE 5-7, and -ms-filter-
is good till 9. For everything else, just use opacity
. I'd encourage more "Your browser is not compat. Please upg" type pages for anything IE<=9– SpYk3HH
Jan 18 '17 at 14:20
@AdrienK Yeah pretty much.
filter
is really only for IE 5-7, and -ms-filter-
is good till 9. For everything else, just use opacity
. I'd encourage more "Your browser is not compat. Please upg" type pages for anything IE<=9– SpYk3HH
Jan 18 '17 at 14:20
add a comment |
filter: opacity() applies transparency to the samples in the input image. The value of “amount” defines the proportion of the conversion.
A value of 0% is completely transparent. A value of 100% leaves the
input unchanged. Values between 0% and 100% are linear multipliers on
the effect. This is equivalent to multiplying the input image samples
by amount. If the “amount” parameter is missing, a value of 100% is
used.
filter: opacity() is similar to the more established opacity property; the difference is that with filters, some browsers provide
hardware acceleration for better performance. Negative values are not
allowed.
Source: https://css-tricks.com/almanac/properties/f/filter/
/* USAGE EXAMPLE:
* -----------
* filter: opacity([ <number> or <percentage> ])
* -----------
*/
.filter-opacity
filter: opacity(0.3);
height: 5rem;
width: 5rem;
background-color: mediumvioletred;
.just-opacity
opacity: 0.3;
height: 5rem;
width: 5rem;
background-color: lawngreen;
<div class="filter-opacity">
filter-opacity
</div>
<div class="just-opacity">
just-opacity
</div>
typo? u comparingfilter: opacity()
andfilter: opacity()
– Ivan
2 days ago
add a comment |
filter: opacity() applies transparency to the samples in the input image. The value of “amount” defines the proportion of the conversion.
A value of 0% is completely transparent. A value of 100% leaves the
input unchanged. Values between 0% and 100% are linear multipliers on
the effect. This is equivalent to multiplying the input image samples
by amount. If the “amount” parameter is missing, a value of 100% is
used.
filter: opacity() is similar to the more established opacity property; the difference is that with filters, some browsers provide
hardware acceleration for better performance. Negative values are not
allowed.
Source: https://css-tricks.com/almanac/properties/f/filter/
/* USAGE EXAMPLE:
* -----------
* filter: opacity([ <number> or <percentage> ])
* -----------
*/
.filter-opacity
filter: opacity(0.3);
height: 5rem;
width: 5rem;
background-color: mediumvioletred;
.just-opacity
opacity: 0.3;
height: 5rem;
width: 5rem;
background-color: lawngreen;
<div class="filter-opacity">
filter-opacity
</div>
<div class="just-opacity">
just-opacity
</div>
typo? u comparingfilter: opacity()
andfilter: opacity()
– Ivan
2 days ago
add a comment |
filter: opacity() applies transparency to the samples in the input image. The value of “amount” defines the proportion of the conversion.
A value of 0% is completely transparent. A value of 100% leaves the
input unchanged. Values between 0% and 100% are linear multipliers on
the effect. This is equivalent to multiplying the input image samples
by amount. If the “amount” parameter is missing, a value of 100% is
used.
filter: opacity() is similar to the more established opacity property; the difference is that with filters, some browsers provide
hardware acceleration for better performance. Negative values are not
allowed.
Source: https://css-tricks.com/almanac/properties/f/filter/
/* USAGE EXAMPLE:
* -----------
* filter: opacity([ <number> or <percentage> ])
* -----------
*/
.filter-opacity
filter: opacity(0.3);
height: 5rem;
width: 5rem;
background-color: mediumvioletred;
.just-opacity
opacity: 0.3;
height: 5rem;
width: 5rem;
background-color: lawngreen;
<div class="filter-opacity">
filter-opacity
</div>
<div class="just-opacity">
just-opacity
</div>
filter: opacity() applies transparency to the samples in the input image. The value of “amount” defines the proportion of the conversion.
A value of 0% is completely transparent. A value of 100% leaves the
input unchanged. Values between 0% and 100% are linear multipliers on
the effect. This is equivalent to multiplying the input image samples
by amount. If the “amount” parameter is missing, a value of 100% is
used.
filter: opacity() is similar to the more established opacity property; the difference is that with filters, some browsers provide
hardware acceleration for better performance. Negative values are not
allowed.
Source: https://css-tricks.com/almanac/properties/f/filter/
/* USAGE EXAMPLE:
* -----------
* filter: opacity([ <number> or <percentage> ])
* -----------
*/
.filter-opacity
filter: opacity(0.3);
height: 5rem;
width: 5rem;
background-color: mediumvioletred;
.just-opacity
opacity: 0.3;
height: 5rem;
width: 5rem;
background-color: lawngreen;
<div class="filter-opacity">
filter-opacity
</div>
<div class="just-opacity">
just-opacity
</div>
/* USAGE EXAMPLE:
* -----------
* filter: opacity([ <number> or <percentage> ])
* -----------
*/
.filter-opacity
filter: opacity(0.3);
height: 5rem;
width: 5rem;
background-color: mediumvioletred;
.just-opacity
opacity: 0.3;
height: 5rem;
width: 5rem;
background-color: lawngreen;
<div class="filter-opacity">
filter-opacity
</div>
<div class="just-opacity">
just-opacity
</div>
/* USAGE EXAMPLE:
* -----------
* filter: opacity([ <number> or <percentage> ])
* -----------
*/
.filter-opacity
filter: opacity(0.3);
height: 5rem;
width: 5rem;
background-color: mediumvioletred;
.just-opacity
opacity: 0.3;
height: 5rem;
width: 5rem;
background-color: lawngreen;
<div class="filter-opacity">
filter-opacity
</div>
<div class="just-opacity">
just-opacity
</div>
answered Nov 14 '18 at 11:34
Arman NischArman Nisch
19938
19938
typo? u comparingfilter: opacity()
andfilter: opacity()
– Ivan
2 days ago
add a comment |
typo? u comparingfilter: opacity()
andfilter: opacity()
– Ivan
2 days ago
typo? u comparing
filter: opacity()
and filter: opacity()
– Ivan
2 days ago
typo? u comparing
filter: opacity()
and filter: opacity()
– Ivan
2 days ago
add a comment |
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