Hoe to peroxide a bright wall color? I just got my room painted and its really bright blue! is...

I just got my room painted and its really bright blue! is at hand any tips to mellow down the color or lighten it up lik adding a picture or something i inevitability help!!
I guess I get a unpromising load of...
Answers:    If you haven't painted the wall you can still mix it with white color paint to peroxide the brightness but If you already applied the paint then you must put some lighter accent approaching white or lighter colors of tables, chairs, furnitures and accessories etc.