Color Transparency in Android

Hex Opacity 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 Ex:

Let's say you have a black color and you want to apply a 80% opacity on it.

Black - #000000

80% opacity - CC

Format: 

Opacity + Color

It would be:

#CC000000