Our dining room is mostly white and I added subtle tones of greens and creams to keep the neutral theme going. (followtheyellowbrickhome.com)
Cut - paper images in subtle tones bring warmth to a cold winter night. (booklistonline.com)
He continued to explore shapes and form, and by the 1960s contours had disappeared from his work, being replaced with subtle toned - down colors. (en.wikipedia.org)