Why does Uranus have a blue/green color?

(The other are Jupiter, Saturn, and Neptune) It's atmosphere is composed primarily of hydrogen and helium with a small amount of methane and traces of water in an ammonia Uranus gets its blue green color from methane gas.

sunlight is reflected from Uranus's clould tops, which lie beneath a layer of methane gas Uranus is clouds top with lie beneath a layer of methanol gas

It has its color because the gases that it prodoses mixes with the other gases so it gives off an blue/green color got it.