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Saturday
Hexadecimal Color Codes


The colors used in your web pages are expressed in the base-16 hexadecimal values, arranged in Red-Green-Blue pairs.  Valid hexadecimal values are: 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F.  The color tag in HTML is expressed in this format: "#RRGGBB".

The following table shows the 216 color safe palette and its RGB hexadecimal values for use in your HTML.  The easiest way to understand the way this works is to look at the table and take note of simple color values.

Black is 000000.  That suggests a zero amount of Red, Green and Blue.  The color code FF0000 has maximum Red, and no Green or Blue.  The color code 00FF00 has maximum Green, and no Red or Blue.  The color code 0000FF has maximum Blue, and no Red or Green.

Using this system of RGB values, what color do you think the hexadecimal value FF00FF would be?  It has no Green, but maximum Red and Blue.  It's the color produced when you mix Red and Blue.  Scroll down and find FF00FF in the chart to verify your answer.

FFFFFF FFFFCC FFFF99 FFFF66 FFFF33 FFFF00
FFCCFF FFCCCC FFCC99 FFCC66 FFCC33 FFCC00
FF99FF FF99CC FF9999 FF9966 FF9933 FF9900
FF66FF FF66CC FF6699 FF6666 FF6633 FF6600
FF33FF FF33CC FF3399 FF3366 FF3333 FF3300
FF00FF FF00CC FF0099 FF0066 FF0033 FF0000
CCFFFF CCFFCC CCFF99 CCFF66 CCFF33 CCFF00
CCCCFF CCCCCC CCCC99 CCCC66 CCCC33 CCCC00
CC99FF CC99CC CC9999 CC9966 CC9933 CC9900
CC66FF CC66CC CC6699 CC6666 CC6633 CC6600
CC33FF CC33CC CC3399 CC3366 CC3333 CC3300
CC00FF CC00CC CC0099 CC0066 CC0033 CC0000
99FFFF 99FFCC 99FF99 99FF66 99FF33 99FF00
99CCFF 99CCCC 99CC99 99CC66 99CC33 99CC00
9999FF 9999CC 999999 999966 999933 999900
9966FF 9966CC 996699 996666 996633 996600
9933FF 9933CC 993399 993366 993333 993300
9900FF 9900CC 990099 990066 990033 990000
66FFFF 66FFCC 66FF99 66FF66 66FF33 66FF00
66CCFF 66CCCC 66CC99 66CC66 66CC33 66CC00
6699FF 6699CC 669999 669966 669933 669900
6666FF 6666CC 666699 666666 666633 666600
6633FF 6633CC 663399 663366 663333 663300
6600FF 6600CC 660099 660066 660033 660000
33FFFF 33FFCC 33FF99 33FF66 33FF33 33FF00
33CCFF 33CCCC 33CC99 33CC66 33CC33 33CC00
3399FF 3399CC 339999 339966 339933 339900
3366FF 3366CC 336699 336666 336633 336600
3333FF 3333CC 333399 333366 333333 333300
3300FF 3300CC 330099 330066 330033 330000
00FFFF 00FFCC 00FF99 00FF66 00FF33 00FF00
00CCFF 00CCCC 00CC99 00CC66 00CC33 00CC00
0099FF 0099CC 009999 009966 009933 009900
0066FF 0066CC 006699 006666 006633 006600
0033FF 0033CC 003399 003366 003333 003300
0000FF 0000CC 000099 000066 000033 000000


The 216 color safe palette was devised to accomodate video monitors that can only display 256 colors.  Even though PCs sold today can display 16.7 million colors, this chart is still used as a baseline standard.  If you are just getting started learning HTML and design, understanding this chart is a good starting point.

Beyond this color safe chart, valid hexadecimal values range from 0 to F.  So, you should be able to match nearly any digital color with a HTML color code tag "#RRGGBB."

Ever wonder why there are 16.7 million colors?  It's 16 to the 6th power, or 16,777,216.  Modern monitors and video cards can display any color tag using this method -- even silly sounding colors, like "#BEEFEE," "#B00BEE" or "#D00D00."

BEEFEE

B00BEE

D00D00

 


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Posted at 21:43 by John Furie Zacharias
 

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