This is the rarity system for Gunpowered Fantasy Online

You got grey for common

You got white for uncommon

You got blue for rare

You got green for epic

You got red for Epicly Rare (A middle ground for Epic and Legendary)

You got yellow for legendary

You got purple for developer (Somthing the developer made for themselves and has been shared in the game. It is exceedingly harder to get then legendary weapons. It is also important to note that developer items are not explicitly good. They were made to the developer's delight. An example is the 'Chicken Gun', a gun that shoots immortal chickens that despawns after 15 seconds)