Color.RgbColor contains methods for creating and inspecting color types
val t : tColor type value
val name : t -> stringColor name
val channels : t -> intReturns the number of channels
val has_alpha : t -> boolReturns true when a color has an alpha channel, which will always be the last channel
val to_rgb : t -> floatarray -> floatarrayConvert a color to RGB
val of_rgb : t -> floatarray -> floatarrayConvert a color from RGB