Material Color to UIColor

ToUIColor.kt

val uiColor = MaterialTheme.colors.surface.toUIColor()

@OptIn(ExperimentalForeignApi::class)
fun Color.toUIColor(): UIColor {
    val colorSpace = CGColorSpaceCreateDeviceRGB()
    val components = nativeHeap.allocArray<DoubleVar>(4)
    components[0] = red.toDouble()
    components[1] = green.toDouble()
    components[2] = blue.toDouble()
    components[3] = alpha.toDouble()

    val cgColor = CGColorCreate(colorSpace, components)
    return UIColor.colorWithCGColor(cgColor)

}