gray

Install command: 
brew install --cask gray

Name: Gray

Tool to set light or dark appearance on a per-app basis

https://github.com/zenangst/Gray

Cask JSON API: /api/cask/gray.json

Cask code: gray.rb on GitHub

Current version: 0.17.0

Requirements: macOS >= 10.15

Analytics:

Installs (30 days)
gray 25
Installs (90 days)
gray 66
Installs (365 days)
gray 289