March 12th, 2026

New Theme & Space Color Customization

Arch Calendar has always launched in dark mode. It looked great — but it was the only option. Now, you can make it yours.

We've added Light mode alongside the existing Dark mode, so you can use Arch Calendar the way you prefer. Beyond the mode, you can also choose from six color themes — Grey, Yellow, Green, Blue, Purple, and Pink — and fine-tune the texture opacity to give your interface exactly the feel you want. All of this lives in the new Appearance tab in Settings, with a live preview so you can see your changes before applying them.

Other Improvements

  • Custom Space Color

    • Spaces already had preset colors, but now you can go further. A new custom color picker lets you assign any color to a Space. Your custom colors appear in the context menu and in a "Recent Colors" section for easy reuse.

  • Right-click improvements

    • The right-click menu now goes beyond Duplicate and Delete. You can quickly link a Space, set Visibility and Priority, and jump straight into Google Meet — all without opening the detail view.