I actually have an order to make one that's yellow. This is on a stoneware that turned the yellow glaze closer to green...though that's nice too. So I've made a white clay one that's about to be glazed bright yellow. I'll show you next week sometime.
And yes, for several years I used an electric toothbrush. So I just had to put cosmetic sticks in my toothbrush caddy, until I stopped wearing cosmetics. Maybe that's why I went back to a standard arm powered toothbrush.