On custom color component, hue seems to jump around when changing saturation
I created a cutom colorpicker with the hue and saturation compoents. 
The hue changes when dragging around in saturation
https://codesandbox.io/s/jlykw9983y

steps to reproduce

- change hue
- drag around in saturation (especially left and bottom area)
- watch hue change

ref: #163