Change color of PNG image via CSS?

2楼-- · 2018-12-31 17:31

I found this while googling, I found best working for me...

HTML

<div class="img"></div>

CSS

.img {
  background-color: red;
  width: 60px;
  height: 60px;
   -webkit-mask-image: url('http://i.stack.imgur.com/gZvK4.png');
}

http://jsfiddle.net/a63b0exm/

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旧时光的记忆

3楼-- · 2018-12-31 17:33

You might want to take a look at Icon fonts. http://css-tricks.com/examples/IconFont/

EDIT: I'm using Font-Awesome on my latest project. You can even bootstrap it. Simply put this in your <head>:

<link href="//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.min.css" rel="stylesheet">

<!-- And if you want to support IE7, add this aswell -->
<link href="//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome-ie7.min.css" rel="stylesheet">

And then go ahead and add some icon-links like this:

<a class="icon-thumbs-up"></a>

Here's the full cheat sheet

--edit--

Font-Awesome uses different class names in the new version, probably because this makes the CSS files drastically smaller, and to avoid ambiguous css classes. So now you should use:

<a class="fa fa-thumbs-up"></a>

EDIT 2:

Just found out github also uses its own icon font: Octicons It's free to download. They also have some tips on how to create your very own icon fonts.

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其实，你不懂

4楼-- · 2018-12-31 17:33

Think I have a solution for this that's a) exactly what you were looking for 5 years ago, and b) is a bit simpler than the other code options here.

With any white png (eg, white icon on transparent background), you can add an ::after selector to recolor.

.icon {
    background: url(img/icon.png); /* Your icon */
    position: relative; /* Allows an absolute positioned psuedo element */
}

.icon::after{
    position: absolute; /* Positions psuedo element relative to .icon */
    width: 100%; /* Same dimensions as .icon */
    height: 100%;
    content: ""; /* Allows psuedo element to show */
    background: #EC008C; /* The color you want the icon to change to */
    mix-blend-mode: multiply; /* Only apply color on top of white, use screen if icon is black */
}

See this codepen (applying the color swap on hover): http://codepen.io/chrscblls/pen/bwAXZO

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永恒的永恒

5楼-- · 2018-12-31 17:33

I found this great codepen example that you insert your hex color value and it returns the needed filter to apply this color to png

CSS filter generator to convert from black to target hex color

for example i needed my png to have the following color #1a9790

then you have to apply the following filter to you png

filter: invert(48%) sepia(13%) saturate(3207%) hue-rotate(130deg) brightness(95%) contrast(80%);

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看淡一切

6楼-- · 2018-12-31 17:40

You can use filters with -webkit-filter and filter: Filters are very new to browsers and are only supported in very modern browsers. You can change an image to grayscale, sepia and lot more (look at the example).

So you can now change the color of a PNG file with filters.

body {
    background-color:#03030a;
    min-width: 800px;
    min-height: 400px
}
img {
    width:20%;
    float:left; 
     margin:0;
}
/*Filter styles*/
.saturate { filter: saturate(3); }
.grayscale { filter: grayscale(100%); }
.contrast { filter: contrast(160%); }
.brightness { filter: brightness(0.25); }
.blur { filter: blur(3px); }
.invert { filter: invert(100%); }
.sepia { filter: sepia(100%); }
.huerotate { filter: hue-rotate(180deg); }
.rss.opacity { filter: opacity(50%); }

<!--- img src http://upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Mona_Lisa%2C_by_Leonardo_da_Vinci%2C_from_C2RMF_retouched.jpg/500px-Mona_Lisa%2C_by_Leonardo_da_Vinci%2C_from_C2RMF_retouched.jpg -->
<img alt="Mona Lisa" src="http://i.stack.imgur.com/OyP0g.jpg" title="original">
<img alt="Mona Lisa" src="http://i.stack.imgur.com/OyP0g.jpg" title="saturate" class="saturate">
<img alt="Mona Lisa" src="http://i.stack.imgur.com/OyP0g.jpg" title="grayscale" class="grayscale">
<img alt="Mona Lisa" src="http://i.stack.imgur.com/OyP0g.jpg" title="contrast" class="contrast">
<img alt="Mona Lisa" src="http://i.stack.imgur.com/OyP0g.jpg" title="brightness" class="brightness">
<img alt="Mona Lisa" src="http://i.stack.imgur.com/OyP0g.jpg" title="blur" class="blur">
<img alt="Mona Lisa" src="http://i.stack.imgur.com/OyP0g.jpg" title="invert" class="invert">
<img alt="Mona Lisa" src="http://i.stack.imgur.com/OyP0g.jpg" title="sepia" class="sepia">
<img alt="Mona Lisa" src="http://i.stack.imgur.com/OyP0g.jpg" title="huerotate" class="huerotate">
<img alt="Mona Lisa" src="http://i.stack.imgur.com/OyP0g.jpg" title="opacity" class="rss opacity">

_Source

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深知你不懂我心

7楼-- · 2018-12-31 17:40

Yes :)

Surfin' Safari - Blog Archive » CSS Masks

WebKit now supports alpha masks in CSS. Masks allow you to overlay the content of a box with a pattern that can be used to knock out portions of that box in the final display. In other words, you can clip to complex shapes based off the alpha of an image.
[...]
We have introduced new properties to provide Web designers with a lot of control over these masks and how they are applied. The new properties are analogous to the background and border-image properties that already exist.
-webkit-mask (background)
-webkit-mask-attachment (background-attachment)
-webkit-mask-clip (background-clip)
-webkit-mask-origin (background-origin)
-webkit-mask-image (background-image)
-webkit-mask-repeat (background-repeat)
-webkit-mask-composite (background-composite)
-webkit-mask-box-image (border-image)

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Change color of PNG image via CSS?

Surfin' Safari - Blog Archive » CSS Masks

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