I'm wondering about this on some of our designs as well.TeeShirtSamurai said:Chris,
Looking at that image, I don't see a problem. The printer is going to say that's a 3-color design: black, dark grey, light grey.
I think it'll look great.
A printer wouldn't allow some kind of halftone of the black or whatever rather than charging it as an additional color? (assuming he didn't need the 100% opacity)