Well it depends watchface to watchface. But...with every watchface you can customize the colors. Change the hour color, change the minute color, minute hand, hour hand, and even the background. it just depends on the watchface. Makes for matching your daily outfit a breeze! Some of the watchfaces have other customizing such as the change the order of the date, view the weather, bluetooth disconnect inverts the colors, and some have the ability to hide parts of the clock (hiding minute ticks, hiding hour ticks, etc.).