It depends on how and when they're being used, but black and red tend to frighten me at times.
its not that it makes people angry but it makes the eyes to irritate as it is a very contrasted color and it also seems unpleasant
The color red how come the color red makes everyone angry maybe because the color represents anger
Riahanna ^^ she makes him very angry
Rovio makes Angry Birds.
Pollution makes the Earth angry. At least, in a metaphorical sense.
RED
Hormones
yellow is the color of the sun and so some people choose to shy away from it while others seem to enjoy it. Some people think the color yellow is a sad color. it makes people angry. but I like the color yellow. though it makes me sad. because I know I can never be yellow.
being bullied
Adrenaline
a red flag
2