Use your largest areas of color—walls, furniture, and cabinetry—to inform your color choice. For a subtle look, match floor and wall colors or keep them in the same color family. Contrasting colors, like light walls and dark floors, create a more visual impact.
Shade variation is the amount of color and tonal change within each tile and between multiple tiles. Low shade variation levels have a more uniform appearance, with few differences in shade. High shade variation levels have more contrast within and between tiles.
The tile size you choose will work best in proportion to the size of the room. While smaller tiles help small rooms feel less constricted, larger tiles keep big areas from feeling overwhelming.
Like tile size, patterns work best when used in proportion to the room. A rule of thumb: if you can’t repeat the pattern at least four times in a room, choose a smaller pattern or tile size.