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Legal Color Names in HTML 4 and XHTML 1.0, 1.1

There are sixteen (16) legal color names for use in HTML 4.x and XHTML. Any other color name is a browser-specific name and cannot be used in conforming HTML 4.x and XHTML documents.

You may use any hexadecimal color value in transitional HTML 4.x or XHTML documents. In Strict documents, you should use CSS, which allows for color names, hexadecimal values, and also RGB values.

Interestingly, the sixteen permitted hexadecimal values are not all websafe colors.

Legal Color Names and Hexadecimal Values
Color Name Hexadecimal Value Sample
Black #000000
Silver #C0C0C0
Gray #808080
Maroon #800000
Red #FF0000
Purple #800080
Fuchsia #FF00FF
Green #008000
Lime #00FF00
Olive #808000
Yellow #FFFF00
Navy #000080
Blue #0000FF
Teal #008080
Aqua #00FFFF

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