Different chairs, same upholstery. Unify a group of lovely chairs, old or new, by having them re‐covered in the same fabric. In the dining room featured here, three different pairs of chairs were all covered in similar fabric to create a "set".
Same chairs, different colors. Take a basic set of matching wooden chairs and put your own stamp on them by painting each one a different hue. The trick here is to choose colors that have the same value (lightness or darkness), like all pastels, all midtones or all bright.
Same chair, same color family. A riff on the same‐chair, different‐colors idea, but with more subtlety. The idea here is to choose closely related colors – try earth tones or shades of a single hue.