tgstation/-tg-station — pull request #1500 by AstralSerpent (2013-10-05 07:27:21+00:00)
Title: Crayons can now be grinded down for coloured crayon powder, which can be...

... used and combined to override reagent colours. Crayons also get their colour prefixed to their name to make it easier to identify them in things like grinders.