Do you have red, green and white? Really, as long as you have two complementary colors (red/green, orange/blue, yellow/violet), you can mix them to get brown, and then adding white will (should) lighten it to a gray. I've never done it myself with food coloring, but it should work about the same as mixing paints.
How come there was never a chess game? Or the other cat cake? @mikeconley11 I think you should pick a different person to have these contests with because your current opponent is a dud. (No offense)
No-one else agrees to my contests lol, I think @skrinkle only agrees out of pity that no-one else is playing. Hold up, I'll make a chess thread
Oh, sorry you can still play lol. @Wrecky is judge, we can make it a bronze, silver and gold thing if you still wanna do it
Um I’d like to point out that I’m not behind on the time limit yet, as I was given the whole month to do it