As an example, I'm going to re-enter a chip that did very well in the "brown" category despite being mustard-based:

(the right-most version, although it might get paired with something like what's on the left for voting purposes)
Mustard with Adobe and Chocolate!
Again, graphical mock-ups aren't necessary but you're welcome to post them - and show us what it might look like with spots outside the (boring) 3d14 ones shown here! And maybe even as part of a set using the standard colours that have already been voted on.
Up to 3 entries per person, preferably using different base colours. Doesn't matter if you put all 3 in the same post or spread them out.