Recent Colors for Google Doc
Extension Actions
CRX ID
caigcmlhfgliglhadagoplhficigdonn
Description from extension meta
Can't tell how green or blue your last selected color was? I feel your pain.
Image from store
Description from store
This extension remembers 10 of your most recently used colors on Google Doc, so that the next time you want to reuse the same color, you don't have to remember it as "3rd green color from the bottom" or "2nd light blue color from the top".