While each members undoubtebly have their own favorite color (Tiffany's I know is pink), the official color for Sones, the Girls' Generation fanclub, is a fairly pale shade of pink.
PINK
i think his favorite color is red
purple
BLU3
blue
Blonde
brown eyes
Blue
Dirty Blonde
green
Green and Red, and Girls who wear pink get him horny.
he prefers girls with dark What_is_Louis_Tomlinson's_favourite_eye_colour_for_a_girlbut he cares more about the girls personality