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Overview
In CSS, colors are specified by using a predefined color name, or with a RGB, HEX, HSL, RGBA, HSLA value.
In CSS, a color can be specified by using a predefined color name:
140 standard color names.
You can set the background color for HTML elements:
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<h1 style="background-color:DodgerBlue;">Hello World</h1>
<p style="background-color:Tomato;">Lorem ipsum...</p>You can set the color of text:
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<h1 style="color:Tomato;">HelloWorld</h1>
<p style="color:DodgerBlue;">Lorem ipsum...</p>
<p style="color:MediumSeaGreen;">Ut wisi enim...</p>You can set the color of borders:
<h1 style="border:2px solid Tomato;">HelloWorld</h1>
<h1 style="border:2px solid DodgerBlue;">HelloWorld</h1>
<h1 style="border:2px solid Violet;">HelloWorld</h1>
In CSS, colors can also be specified using RGB values, HEX values, HSL values, RGBA values, and HSLA values: Same as color name "Tomato": rgb(255, 99, 71) #ff6347 hsl(9, 100%, 64%) Same as color name "Tomato", but 50% transparent: rgba(255, 99, 71, 0.5) hsla(9, 100%, 64%, 0.5)
Formula
< h1 style ="background - color:rgb(255,99, 71);">...</h1>
<h1 style="background-color:#ff6347;">...</h1>Formula
< h1 style ="background - color:hsl(9,100%, 64%);">...</h1>Formula
< h1 style ="background - color:rgba(255,99, 71, 0.5);">...</h1>Formula
< h1 style ="background - color:hsla(9,100%, 64%, 0.5);">...</h1>