@Composable
fun Main() {
    val state = remember { PaletteState(...) }
    Scaffold(
        topBar = { TopBar(onSave = { viewModel.save(state.toPalette()) } }
    ) {
        ColorWheel(state)
    }
}

@Composable
fun ColorWheel(state: PaletteState) {
    val colorWheel = rememeber { ColorWheel(...) }
    state.colors = colorWheel.getColors()

    Content(colorWheel)
}

state

onColorSelected: (Color) -> Unit

fun ColorWheel(onPalletteChanged: (PaletteState) -> Unit) {

I don't really have a way to get the initial colors of the color wheel

The child is responsible for initializing the palette

init { }

ColorWheel

class ColorWheel(hueDistance, numColors, ...) {
    // Initialize the list of colors using hueDistance and numColors and a few other parameters
}

ColorWheel

class PaletteState(
    var colors: List<Color>
)

@Composable
fun Main() {
    val paletteState = remember { PaletteState(listOf(Color.Red, Color.Blue)) }

    ColorWheel(
        currentColors = paletteState.colors,
        onColorsChanged = { paletteState.colors = it }
    )
}

@Composable
fun ColorWheel(currentColors: List<Color>, onColorsChanged: (List<Color>) -> Unit) {
    Content(
        currentColors = currentColors,
        onDrag = { selectedColors -> onColorsChanged(selectedColors) }
    )
}

ColorWheel

PaletteState

ColorWheelState