1. J'aime le vert: This is the most literal translation and means "I like green." It's a general statement of appreciation for the color.
2. Je suis fan du vert: This translates to "I'm a fan of green" and suggests a stronger, more passionate liking for the color.
Both phrases are grammatically correct and convey the meaning of liking green. Choose the one that best fits the context of your conversation.