Easily pick color in xamarin forms applications. You can easily use it like DisplayAlert() method
You can use with default colors:
var result = await ColorPicker.GetColorAsync("Primary Color", "Choose a color:");
Or You may want to set your custom colors:
var result = await ColorPicker.GetColorAsync("Primary Color", "Choose a color:",Color.Cyan, Color.Aqua, Color.Azure, Color.Blue, Color.BlueViolet);