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UtilitiesSheets Add-on

Theme Colour Editor

Set & save custom theme colours across your Sheets

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What it does

A Google Sheets add-on for setting and saving custom theme colours across all your spreadsheets — no more typing hex codes every time. Colours are saved to your user profile and carry through to every sheet, including injecting extra colours into the paint-bucket palette.

Key features

  • All 9 theme slots in one go
  • Extra colours in the paint palette
  • Native colour picker + hex input
  • Live preview & copy-to-clipboard
  • Per-user persistent settings

Installation

Deployed as a Google Sheets add-on via clasp. Open the add-on, set your colours once, and they apply across all your spreadsheets.

Source code

https://github.com/NikRpk/gas-theme-colour-editor-sheets

Screenshots

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