You spent hours choosing the perfect paint color and covered every wall with care. But years later, a touch-up is needed—and you can’t remember if the shade of green was Phantom Mist or Dinner Mint.

Q: I am redecorating my living room. The paint color still goes with the new furniture, but the wall needs some patching. I don't have the old paint can, so how can I match the paint perfectly on the ...

How many times has this happened to you? After spending hours agonizing over the perfect shade of paint, you gleefully coat every wall in your home in that shade. Then, years later, when there’s a ...