instead of a default list of hex values, I want the user to be able to click drag inside a HSL (or HSV) color plane to set the colour and give them slider contorls for both the hue and light of the colour.

I also want them to be able to toggle between editing HEX, RGBA or HSLA inputs that should provide individual inputs for the RGB and HSL methods.

I want to be able to copy the RGBA or HSLA values in the same way the hex can be