xanthophile 

Lover of the color yellow

Perhaps Coldplay is a xanthophile. They named one of their songs "yellow."

xanthophile by alteiram November 1, 2021

anthophile 

A lover of flower; someone who appreciates flowers.

"I planted many different types of flowers at the garden. I really love a flowers"
"You're an anthophile then"

anthophile by Teahun94 August 21, 2016