Are you afraid of wearing daring, bright colors on your eyes or lips? Start with baby steps - add a pop of color in one area only. For example, start by using a colored eyeliner on your top or bottom lash line and set with coordinating eyeshadow. And then go neutral/natural everywhere else. Or go with a bright and bold lip color and go natural/neutral on the eyes.
I find that on days that I don't want to do anything special, I add my pop of color by wearing a neutral eye shadow color on my lid (i.e. MAC Shroom, UD Virgin) and add either a sapphire blue or deep purple colored gel eyeliner on my top lash line (these colors look great on brown eyes).
Or you can try a bronze eyeshadow or the Maybelline 24 Hour Color Tattoo in Bad to the Bronze on the lid and line the bottom lash line with a green eyeshadow or liner.
Or wear a magenta lip with a neutral eye finished with a brown liner. Just add a "pop" of color and bring the focus to that area. Try this simple look out and see how daring you can be!