What is meant by rgba?

Question

I saw this in a code.
background: rgba(241, 80, 47, .3);

Can someone explain it.

Answer 1

the rgba() is used in setting colours to the elements.
R - red
G - green
B - blue
A - alpha for opacity

You can change the color by changing the values inside rgba()

Answer 2

Josh and Fuchsia thanks😊

Answer 3

It's an RGB color value with an alpha channel, alpha means opacity value of the color.

Your code above have value like this:
Red = 241
Green = 80
Blue = 47
Alpha = 0.3