Rarity
From the dev blog:
Item rarity is now color coded on both inventory buttons and card backgrounds. The rarity tiers are as follows:
Junk > Tin > Bronze > Mithril > Adamantine > Diamond
| Rarity | Color |
|---|---|
| Junk | Rust |
| Tin | Green |
| Bronze | Yellow |
| Mithril | Cyan |
| Adamantine | Magenta |
| Diamond | Light Blue |