Because red and blue are both primary colors, and so is yellow.
Green is the most powerful, next is red, then blue.
Our blood is never blue. It is a commonly believed untruth. Blood in our veins is dark red, never blue.
purple,green,red,white,blue
Blue, yellow, black, green, red. Next time, Google it.
red and green.
purple green red white blue
For the hell of GOD,that can never happen!
Possibly never.
green
Blue
Comes next to red. Red, orange, yellow, green, blue, indigo, violet
Unfortunately there is NO working cheat for it as of yet. All the listed cheats for that costume have proven to be utterly false. So, as of yet, the only way to actually get it is to complete all 180 Challenges.