RGBInt

constructor(r: UByte, g: UByte, b: UByte, alpha: UByte = 0xff.toUByte())

constructor(r: Int, g: Int, b: Int, alpha: Int = 255)

constructor(argb: UInt)

constructor(r: Float, g: Float, b: Float, alpha: Float = 1.0f)

Construct an RGBInt instance from Float value in the range [0, 1]