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College Resource Center : Capstone Projects / Project Management : Building a Web Page : Web Color Charts

Web Color Charts

To understand color on the Web, and to be in control of the full range of color possibilities, it is necessary to master:

  • how to count in hexadecimal.
  • the format for specifying Web color using three hexadecimal pairs.
  • how to create variations, working from 16 possible levels of each of the 3 main colors: red, green and blue.

Hexadecimal Counting

0 4 8 C
1 5 9 D
2 6 A E
3 7 B F

Hexadecimal Format for Color: # RRGGBB 

RR = Value for Red, from 00 to FF

GG = Value for Green, from 00 to FF

BB = Value for Blue, from 00 to FF

Variations on the RR Pair:
00 none #000000
33 20% brightness #330000
55 33% brightness #550000
66 40% brightness #660000
99 60% brightness #990000
AA 67% brightness #AA0000
CC 80% brightness #CC0000
FF full brightness #FF0000

Variations on the GG Pair:

00 none #000000
33 20% brightness #003300
55 33% brightness #005500
66 40% brightness #006600
99 60% brightness #009900
AA 67% brightness #00AA00
CC 80% brightness #00CC00
FF full brightness #00FF00

Variations on the BB Pair:

00 none #000000
33 20% brightness #000033
55 33% brightness #000055
66 40% brightness #000066
99 60% brightness #000099
AA 67% brightness #0000AA
CC 80% brightness #0000CC
FF full brightness #0000FF

Combinations of the Full Spectrum:

#00FFFF #DC143C #9400D3
#70DB93 #008080 #228B22
#FFDAB9 #C71585 #00FF7F
#8A2BE2 #9932CC #4B0082
#FF7F50 #E9967A #DDA0DD
#6495ED #8FBC8F #BA55D3


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