extension UIColor {
	convenience init(red: Int, green: Int, blue: Int) {
		assert(red >= 0 && red <= 255, "Invalid red value")
		assert(green >= 0 && green <= 255, "Invalid green value")
		assert(blue >= 0 && blue <= 255, "Invalid blue value")

		self.init(red: CGFloat(red) / 255.0, green: CGFloat(green) / 255.0, blue: CGFloat(blue) / 255.0, alpha: 1.0)
	}

	convenience init(rgb: Int) {
		self.init(
			red: (rgb >> 16) & 0xFF,
			green: (rgb >> 8) & 0xFF,
			blue: rgb & 0xFF
		)
	}
}

var color1 = UIColor(rgb: 0x3d017a)
var color2 = UIColor(rgb: 0xb22e44).withAlphaComponent(0.5)