To start with: what are sand tones? It’s the collective name for shades of beige and off-white. Because of their softening and refreshing character, beige and off-white have a unique effect on the colors you combine them with; they soften harsh colors, temper fiery colors and - in contrary to bright colors - never go out of fashion.
1. Team with black
Off-white + black: creates a graphic contrast for timeless, modern appeal.
Beige + black: beige makes black look softer. The other way around, black gives beige more depth.