Function builtin_rgb 

fn builtin_rgb(
    args: &[RValue],
    named: &[(String, RValue)],
) -> Result<RValue, RError>

Create hex color strings from RGB(A) values.

@param red red component(s), 0–1 by default (or 0–maxColorValue) @param green green component(s) @param blue blue component(s) @param alpha alpha component(s), default 1 (fully opaque) @param maxColorValue maximum value for components, default 1 @return character vector of “#RRGGBB” or “#RRGGBBAA” hex strings