what is rgba?

Question

r means red
g means green
b means blue
a means?

Answer 1

R=red G=green B=blue . the way for set color of any elements in html

Answer 2

a means "alpha"
source : http://www.w3schools.com/cssref/css_colors_legal.asp

Answer 3

bro it represents alphaa

Answer 4

CSS color code that browser understands

Answer 5

thanks