Color schemes are accessed from the Options menu. There are several different schemes which have been contributed by various authors. Some are only unlocked under certain conditions.
Once a color scheme is unlocked, it remains permanently unlocked for the rest of the game.
List of available schemes and their unlock conditions
| Scheme | Unlock condition(s) |
|---|---|
| Classic | unlocked by default |
| Inverted | unlocked by default |
| Grassy (by shrx) | unlocked by default |
| Sleek (by Kida) | unlocked by default |
| Black (by Volkeyrn) | unlocked by default |
| Wood (by Volkeyrn) | unlocked by default |
| Bluish (by Volkeyrn) | unlocked by default |
| Grayish (by Volkeyrn) | unlocked by default |
| Greenish (by Volkeyrn) | unlocked by default |
| Tombstone (by Volkeyrn) | unlocked by default |
| Gold (by Volkeyrn) | 24 Mints |
| Space (by Volkeyrn) | 24 Satellites |
| Blackboard (by Volkeyrn) | 68 Academies |
| Fluid (by Volkeyrn) | 10 Hydraulic Fracturers |
| Vessel (by Volkeyrn) | 20 Research Vessels |
| Minimalist (by Volkeyrn) | 10 Warehouses |
| Oil (by Volkeyrn) | 73 Oil Wells |
| Unicorn (by Volkeyrn) | 1 Unicorn Utopia |
| Anthracite (by Volkeyrn) | 92 Mines |
| Chocolate (by Volkeyrn) | 10 Breweries |
| Vintage (by Volkeyrn) | 1 Chronocontrol |
| Computer (by Volkeyrn) | 100 Data Centers |
| Arctic (by Volkeyrn) | 10 Cryostations |
| Cyber (by Volkeyrn) | 5 AI Cores |
| Factory (by Volkeyrn) | 20 Factories |
| Catnip (by Volkeyrn) | 56 Catnip Fields |
| Dune (by Volkeyrn) | 10 Spice Refineries |
Tip to have the blur effect used on some themes with Firefox: setting the layout.css.backdrop-filter.enabled and gfx.webrender.all preference to true in about:config (test on firefox 70-84)
If you are migrating from an older version to a new one and already meet the requirements you have to buy 1 of the specific building to unlock the scheme.