# Description

Specifies a color with an RGB code along with the transparency, or alpha, e.g. `rgba(255,0,0,0.5)`

The first number is the red saturation (range is 0-255).

The second number is the green saturation (range is 0-255).

The third number is the blue saturation (range is 0-255).

The fourth number is the alpha (range is 0.0 - 1.0).

# Examples

This example sets the paragraph text color to transparent red.

    p {
      color:rgba(255,0,0,0.5);
    }

This produces the following result:

Paragraph Text

# Browser Support

Firefox | IE | Chrome | Opera | Safari

# Miscellaneous Information

Defined In: | CSS3