#000000

#3c3c3c

#787878

#b4b4b4

#f0f0f0

#ffffff

By using equal values for red, green, and blue, you will get different shades of gray.

Text area . . .

Define Colors With RGBA Values

Red 20%

Red 40%

Red 60%

Red 80%

Red 100%

Green

Blue

Grey

Yellow

Cerise

Text area . . .