For some extra context here, this was an assignment for a web design class, where I had to make dynamic flashcards with just HTML and CSS. I'm not sure if they're much help with memorizing the colors, but they are fun to play with, so I've included them here :)
синий
dark blue
голубой
light blue
зелёный
green
жёлтый
yellow
красный
red
оранжевый
orange
фиолетовый
purple
розовый
pink