You use the word dislike very loosely there... Are we talking about to wear, carpet colors or just in general? In general I believe the most "disliked" color would be a deep, muddy brown. Simple reasons really, there is no life to it, it is not vibrant or laid back enough to be noticed. It's just there.
brown is the most disliked color because it is dark and plain
A word or phrase that has a negative or disliked association connected to it, most commonly due to social use or misconceptions of a word or it's meaning.
broccoli
Hades
rugbee
tax laws
Probably mathematics
james
Royal colonies type of colonial government was most disliked by settlers. These colonies were under direct supervision of the King.
Its a matter of opinoin............................
Probably durian.
Diamonds can range in color from clear to red and even blue. Most commonly, diamonds are colourless.