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I want this to kind of be a "mega thread" of paint.

So, here is the scenario: I have a room that I want to use as a studio. Since this room will only be used for photography, I want to have it painted in some standard colors. I'd like one wall 100% black, two walls 100% white, and one wall 18% gray.

Now, the idea is that I can rely on these walls instead of having a gray card. Yes, having a gray card would be easier and cheaper, but that is not the point of this question.

Can you give me a manufacturer and their color codes to create those colors of paint?

Edit: Original had 50% gray and not the correct 18%

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The standard gray card is 18% gray. Take a sample gray card with you to the paint store and have them custom mix. The reflection readings are: 0.75 red 0.75 green 0.75 blue 0.75 via the yellow visual filter. These values are the reflection densities of the gray card.

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  • \$\begingroup\$ You're 100% right. I'm going to change the title. \$\endgroup\$
    – SailorCire
    Commented Jan 25, 2017 at 1:30

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