ARGB colors in android

RGB and ARGB

• RGB is a color model. In RGB red, green and blue light are added together in various combinations to reproduce a wide spectrum of colors

• RGB(#RRGGBB) and ARGB(#AARRGGBB) values represent as hexadecimal values

• In RGB you have two digits for every color (red, green, blue), in ARGB you have two additional digits for the alpha channel

• Alpha channel represents the transparency value

• Android use ARGB hex values to represent colors

More info about android colors http://developer.android.com/guide/topics/resources/more-resources.html#Color

ARGB representation(#AARRGGBB)

AA - Alpha component [0..255] of the color
RR - Red component [0..255] of the color
GG - Green component [0..255] of the color
BB - Blue component [0..255] of the color

Transparency percentages

• Following are some example transparency percentages and their hex values

100% - FF
95% - F2
90% - E6
85% - D9
80% - CC
75% - BF
70% - B3
65% - A6
60% - 99
55% - 8C
50% - 80
45% - 73
40% - 66
35% - 59
30% - 4D
25% - 40
20% - 33
15% - 26
10% - 1A
5% - 0D
0% - 00

• For an example if you want 50% transparent white color you have to use #80FFFFFF color code