Currently slider buttons look too much like
- Enum buttons.
- Toggle buttons.
- Default action buttons.
Using a saturated color also doesn't work that well when color is used to communicate button state (animated, driven, overridden).
making this usable required workaround to ensure the slider is re-colored and contrasts properly. rBb93e57dcdfa486ef5b435c73ebb8c2c1ce612019
Proposing to use grey slider to avoid confusion with other kinds of buttons.
After applying this patch.