couleurs

Install command: 
brew install --cask couleurs

Name: Couleurs

Grab and tweak the colours you see on your screen

https://couleursapp.com/

/api/cask/couleurs.json (JSON API)

Cask code on GitHub

Current version: 1.2.1

Requires: macOS >= 10.12

couleurs is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
couleurs 5
Installs (90 days)
couleurs 22
Installs (365 days)
couleurs 77
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