Okay, someone said she didn't understand color thing! well she is right it was a bit confusing... if someone is confused then...the explanation is given below:   1.For Taekwoon it was a people's aura, for Hakyeon it was their personality and self dignity(?)[sorry I can't really explain what's for Hakyeon since english aint myfirst language... =-="] The behavior, the look in their eyes, the way they smile, the warmth in their eyes, the fakeness in their behavior, he would judge them and color them; Hakyeon's coloring was like painting someone after coming to a decision about him, where Taekwoon could see what type of person he would be just by looking and know their true personality.... only Taekwoon could see the aura around them.. while spending time with Taekwoon in his childhood, you know if your friend is a good artist, kids tend to follow that friend and also try to learn draw, its kinda like that. Hakyeon just started to paint as well.

2.He couldn't see Leo's color because Leo was not Taekwoon's actual self. He had all sorts of personality to cope up with everything he was told to do. and his eyes were always darker and blank, he couldn't see the actual person within him. you know, white is basically a mixture of all seven colors while black contains nothing? That's why it was a mistake of Hakyeon to paint him with black. It's not like Leo was showing fake personality, But instead he had to show all kinds of personality according to when what is needed. It wa