You do a dimming switch (so add a spring to the button). Replacing a dumb switch with a non-dimming smart switch is indeed not a good idea. The color change th

You do a dimming switch (so add a spring to the button). Replacing a dumb switch with a non-dimming smart switch is indeed not a good idea. The color change though won't be possible - but it might still be possible through whatever secondary interface you have, e.g. in an app. Given the choice between physical switches for dimming and color of the lights, I pick physical switches every time.