Gray is the queen of colors, because she makes everyone else look good.
If it's all wrong, it's all right.
You're afraid because you're thinking about the end, not about what you're doing.
It is in the contrast of light and dark that design happens.
See it in terms of paint. We don't learn subject matter, we learn paint. The musician can play any score that is set before him.
You can't get it right, until you make it wrong.