What do the Hextech chests mean when you hover over a champion?

Obscene Elbows (OCE)
submitted in Miscellaneous
Quick question, when you hover over a champion in your summoner profile, what is the difference between a greyed out chest and a gold chest? http://s32.postimg.org/bxop03p8l/Untitled.png In the case of this image can i only earn chests using Master Yi?
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