About transparent, translucent, percent conversion in Android

In the XML file, you can write #0000 directly, this is the effect of full transparency.
#9000这个值相当于56%, because the color value is 16 binary, #9000相当于 (9/16)
As a percentage, you can convert it according to this ratio.
Fully Transparent #0000
10% Transparent #1600
20% Transparent #3200
30% Transparent #4800
40% Transparent #6400
50% Transparent #8000
60% Transparent #9600
70% Transparent #B200
80% Transparent #C800
90% Transparent #E400
Opaque (Black) #F000

About transparent, translucent, percent conversion in Android