Question

why bulls hate red colour

Answer 1

Bulls are colorblind to red. If you wave a red color flag in front of a bull, it is not the color of the flag that will make it attack but the motion of the flag. 
Bulls are aggressive and the motion infuriates them; the statement that the color red makes them go crazy is just a myth!
I hope it helps you.

Answer 2

hey dear,

We’ve always been told not to stand in front of a bull when wearing a red dress...

It’s not the color, but rather the movement of the cape that makes bulls so angry. Moreover, the bulls used in bullfights are from a very aggressive breed and they’re raised in a way that any sudden movements will make these bulls angry and make them attack.

If the cape being used were of any other color, the bull will charge at it. Therefore, if a bullfighter is dressed in red and is standing still and another bullfighter dressed in any other color (even white) begins moving in front of the bull, the bull will attack the bullfighter in white – the one who is moving.

thank u

hope it helps u dear