Juan —, Spanish Cubist painter whose works include 1916's Still Life with Playing Cards (4)

I believe the answer is:

gris

(Other definitions for gris that I've seen before include "Spanish artist" , "neutral colour in Paris" .)

I've seen this clue in The Mirror.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.