tev

Install command: 
brew install --cask tev

Name: tev

High dynamic range (HDR) image viewer with accurate color management

https://github.com/Tom94/tev

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

Cask code: tev.rb on GitHub

Current version: 2.4.1

Requirements: macOS >= 10.15

Versions:

Intel tahoe 2.4.1
sequoia 2.4.1
sonoma 2.4.1
ventura 2.4.1
monterey 2.4.1
big sur 2.4.1
catalina 2.4.1

Analytics:

Installs (30 days)
tev 38
Installs (90 days)
tev 94
Installs (365 days)
tev 327