HTML Colors
HTML colors are specified with predefined color names, or with
RGB, HEX, HSL, RGBA, or HSLA values.
Color Names
In HTML, a color can be specified by using a color name:
Tomato
Orange
DodgerBlue
MediumSeaGreen
Gray
SlateBlue
Violet
LightGray
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HTML supports 140 standard color names.
Background Color
You can set the background color for HTML elements:
Hello World
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.
Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.
Example
<h1 style="background-color:DodgerBlue;">Hello World</h1><p style="background-color:Tomato;">Lorem
ipsum...</p>
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Text Color
You can set the color of text:
Hello World
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.
Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.
Example
<h1 style="color:Tomato;">Hello
World</h1><p style="color:DodgerBlue;">Lorem
ipsum...</p><p style="color:MediumSeaGreen;">Ut wisi
enim...</p>
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Border Color
You can set the color of borders:
Hello World
Hello World
Hello World
Example
<h1 style="border:2px
solid Tomato;">Hello
World</h1><h1 style="border:2px
solid DodgerBlue;">Hello
World</h1><h1 style="border:2px
solid Violet;">Hello
World</h1>
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Color Values
In HTML, colors can also be specified using RGB values, HEX values, HSL
values, RGBA values, and HSLA values.
The following three <div> elements have their background color set with RGB,
HEX, and HSL values:
rgb(255, 99, 71)
#ff6347
hsl(9, 100%, 64%)
The following two <div> elements have their background color set with RGBA
and HSLA values, which add an Alpha channel to the color (here we have 50%
transparency):
rgba(255, 99, 71, 0.5)
hsla(9, 100%, 64%, 0.5)
Example
<h1 style="background-color:rgb(255,
99, 71);">...</h1><h1 style="background-color:#ff6347;">...</h1><h1 style="background-color:hsl(9,
100%, 64%);">...</h1><h1 style="background-color:rgba(255,
99, 71, 0.5);">...</h1><h1 style="background-color:hsla(9,
100%, 64%, 0.5);">...</h1>
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Learn more about Color Values
You will learn more about RGB, HEX and HSL in the next chapters.
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Reference: https://www.w3schools.com/html/html_colors.asp