Slack Themes - Make your Slack pretty with custom themes
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!
Rainglow Color Themes - 320+ color themes for a variety of editors and software.
Polarite.app - A.I. assisted color scheme generator
Branded Slack Themes - 1,000+ themes to customize your Slack
IntelliJ IDEA - Capable and Ergonomic IDE for JVM