it is not about being better or worse.
color defines how mechanics act when you press the key.
it can be hard or soft, act when pressed on key or act when you leave the key, makes more noise, makes less noise etc.
it is a totally personal preference. to see which one is which there was a guide at wikipedia. before buying a mechanical board I advise to go on a local store and test it yourself in real world, to see if you will like it.
okay thanks now as i browse and search for corsair k70 i have found out that it comes with brown switches with gunmetal finish, is brown better than red? i have stumbled upon this article that claime red switches are WORTHLESS and brown switches are the best is this true?
browns are essentially quiet blues, which are the best imo. theyre very tactile and are the typists dream, but still good for gaming. it all comes to personal preference, but i would steer people towards browns based on mine