A pink man lives in an one story house. EVERYTHING is pink. What color is his stairs?

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Random\\Please do not judge me by this cringeworthy, old, old book// This used to be a Ninjago-one shots book but was changed because I constantly updating about myself instead of actual one-shots. So I decided to take a vote and change it to a blog book...
Riddle
A pink man lives in an one story house. EVERYTHING is pink. What color is his stairs?