I believe it was specifically green tiles, but everyone learns at there own pace. Keep at it.
Discussion
Cmon man. Yellow should count for something! Sigh...I knew deep down
They are the next most significant digit.
Yes, I was trying to formalize in my head the values. I guess yellows would be infinitesimals or something like that. Did you know there's actually math which formalizes the concept such that they're actually treated this way on ordering, and do calculus with them?