Wall color can drive you nuts.
The perfect tan can turn pink or orange. That lovely pastel green suddenly looks minty. The beige you picked is fleshy. The yellow you loved takes on a sickly green tinge. What looks perfect in the paint store often looks quite different in the light of your own home. Samples are the answer, and you should never put paint on your walls without trying it out first. I use poster board or foam core board, 2 coats with a good 2-3 inch border of white around the outside (so the color on your wall now won't influence the color you want it to be). I use poster board so I can move it around the room and see it in different light. No more minty, fleshy, orange-y, sickly colors. No more nuts.
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