rgba

color_parser

Function rgba 

Source 
pub fn rgba(input: &str) -> Result<RGBA32, StopBecause>
Expand description

<rgb> = (rgb|rgba) ((<percentage>|<number>)#{3},<alpha-value>?)

<rgb> = rgb( [<percentage> | none]{3} [ / [<alpha-value> | none] ]? )
      | rgb( [<number> | none]{3} [ / [<alpha-value> | none] ]? )

https://www.w3.org/TR/css-color-4/#rgb-functions