muddy brown. red plus green (which is blue plus yellow) makes a muddy brown since it's all three primary colors.
Blue-green
Fighting.
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.
Blue + green = blue green
i say green
Aaron Blue, Red, Yellow, Yellow, Yellow, Yellow, Yellow, Green. Air Instruments Red, Red, Blue, Yellow, Green, Green, Green, Yellow. Always Slide Green, Green, Red, Red, Yellow, Red, Yellow, Blue. AT&T Ballpark Yellow, Green, Red, Red, Green, Blue, Red, Yellow. Auto Kick Yellow, Green, Red, Blue, Blue, Blue, Blue, Red. Best Buy Kid (Nick) Green, Red, Blue, Green, Red, Blue, Blue, Green. Euro Contest Winner (Johnny Viper) Blue, Red, Blue, Blue, Yellow, Yellow, Yellow, Green. Flame Color Green, Red, Green, Blue, Red, Red, Yellow, Blue. Gem Color Blue, Red, Red, Green, Red, Green, Red, Yellow. Hyperspeed Green, Blue, Red, Yellow, Yellow, Red, Green, Green. Invisible Characters Green, Red, Yellow, Yellow, Yellow, Blue, Blue, Green. Line 6 Green, Red, Yellow, Blue, Red, Yellow, Blue, Green. Performance Mode Yellow, Yellow, Blue, Red, Blue, Green, Red, Red. Quickplay Blue, Blue, Red, Green, Green, Blue, Blue, Yellow. Rina Blue, Red, Green, Green, Yellow, Yellow, Yellow, Green. Star Color Red, Red, Yellow, Red, Blue, Red, Red, Blue. Vocal Fireball Red, Green, Green, Yellow, Blue, Green, Yellow, Green.
Blue green or green blue!!!!!!!!!its not rocket science!!!!!
Blue and green makes blue-green, obviously.
Green
To make the color Green, mix together Blue and Yellow.
No. Blue and green make blue-green, which is a tertiary color.
Blue and green mixed make a teal or blue-green.
Blue-green bacteria, better known as blue-green algae, are green because of the chlorophyll.