Translucent settings such as the Android button

Format:

Android:background= "#XXxxxxxx" (colors can be written in color)

Description: The translucent color value differs from the usual color, the semitransparent color value is 8 bits, the first 2 bits is the transparency, the last 6 bits are the color.

In other words, transparency and color combine to write the transparency of various colors. The following is the transparency statement for your reference.

Not transparent	100%	Ff
	95%	F2
	80D	E6
	85%	D9
	80%	Cc
	75%	BF
	70%	B3
	65%	A6
	40g	99
	55%	8C
Translucent	50%	80
	45%	73
	40%	66
	35%	59
	30%	4D
	25%	40
	20%	33
	15%	26
	10%	1 A
	5%	0D
Fully Transparent	0%	00

Example:

Full transparency: #00000000

Translucent: #80000000

Opaque: #FF000000

White Translucent: #80FFFFFF

Red 30% Transparent: #4Dca0d0d

Translucent settings such as the Android button