GreenBox
Theme catalog
Select a theme to preview immediately. Save Changes makes the selection persistent in this browser.
Matrix & background
Changes preview live. Matrix uses a one-shot startup model and is not restarted when colors or theme tokens change.
Your presets
Save the current custom appearance under a name and reapply it later.
Import / Export
Export the current theme plus saved presets. Imports are validated and previewed before application.
Theme tokens & diagnostics
Fine-grained semantic colors from the existing Global Theme V2 catalog.