CSS3 Click Chart

RGBA Colors

Allows colors to be defined via RGB along with an alpha (transparency) setting.

Specification

RGBA colors on W3C

Example Code

Live Demonstration

The background color of this paragraph is defined using an RGBA setting of rgba(255, 43, 0, 0.2)

Browser Support

Tools / Polyfills

cssSandpaper
CSS3 PIE
RGBa & HSLa CSS Generator for Internet Explorer
Devoth's HEX 2 RGBA Color Calculator

Tutorials / Articles

Working With RGBA Colour

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