Why is marge's hair blue and everybody else's are like yellow?

It's just another quirk of the Simpsons'. If toi look outside the family, there are all different kinds of hair color. Milhouse's family has blue hair. Apu, Otto, and Rev. Lovejoy all have black hair. Principal Skinner and Helen Lovejoy's is gray and Willie's hair is red. The Flanders' have brown hair, Maude's is lighter like Mrs. Krabappel and Miss Hoover. I could go on for a long time. I'm not sure why the Simpsons have hair the same color as their skin while everyone else has real color and styles..

Because she dyes it blue...duh :-|

Maby because she is sick

She likes to dye her hair, I think her original hair color was grey, then she had it dyed brown. toi can see her as a young brunette in the episode where Homer flashbacked to his first kiss. Then I guess as she grew older she chose blue, I dunno why haha

Other Simpsons characters have unusual colored hair too... like the guy with the bone in his hair (I don't know his name) but he has like, aqua hair :P Like another poster said, probably just a quirk of the Simpsons

it has always been blue one person pointed out accueil first Kiss but that was coz she'd ironed it if toi watch the rest hahahah it a qurik

I agree that all of the characters on the simpsons have strange hair, but i think the real reason is that marge was born with grey hair and her parents were embarrased so they dyed it blue. marge kept it blue. I think that's why parry and selma have grey hair.

marges hair is blue and everyone elses hair is yellow because she dies it!!!