HTML Old School

HTML colors are defined in several ways.

New browsers: 2²⁴ = 16 777 215 (24-bit colors)

Old netscape browsers: 2⁸ = 258 (8-bit safe color palette)

 

HTML Color Definitions

Hexadecimal

• #0C0
• #00CC00

 

RGB - red, green, blue

• rgb(0, 255, 255)
• rgba(0, 255, 255, 0.3)

 

RGB%

• rgb(0%, 100%, 100%)
• rgba(0%, 100%, 100%, 0.3)

 

HSL - hue, saturation, lightness

• hsl(H, S, L)  0<H<360 , 0%<H,S<100%
• hsla(0, 255, 255, 0.3)

 

NAME

• aqua, red, green, blue, yellow, silver ...

 

 

HTML colors example: 0140htmlcolors.html