UI: Keyboard input for new base color.*
Up / Down arrows set number of swatches.
Left / Right arrows cycle HSB offsets.
Mouse-click in any offset swatch for new base color.
Given a base color, generates a user-specified number of swatches in HSB offsets.
*Not working in online version. Does anyone know why?
To tweak this sketch, first download it.
Make your updates, then upload your tweak!