I appreciate your thoughts. I have color samples, and in my eyes the maroon looks really nice on a black chip. Where would you see danger of not being able to tell chips apart? The black chip is the only real dark chip, and the maroon is a concious decision.
I came up with a version with a spot progression that I really like: (Let me know if you think the version with white spots on the 5c or on the 20c looks better)
1)
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2)
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However, I still like the idea to have a 312+ spot on the fracs, and 3v12 on the € chips. I think it'd be pretty easy to distinct the chips.
3)
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4)
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Let me know which of the four versions you like. (I know, in the end it comes down to what I like, but still)