I've noticed that this clock seems to randomly change color a lot. Not when you're looking right at it, but between scenes and episodes. I've definitely seen it be brown (like I would expect) and also this bluish purple.
Is it really a color-changing clock? Or what's the deal here?
It doesn't seem to fit the Hill family's personality to have a hippie color-changing clock. This is what I would've expected it to be: