Copy the values below for the light theme:
#fdfdfe, #f7f6f9, #4c4b4e, #78737d, #4c4b4e
Or these values for the dark theme:
#271e38, #36294d, #bea3d9, #9a7eb4, #d5beed
Open Settings → Interface in Pearcleaner.
Paste the colors you copied from the previous step in the Color String text field under Theme section.
Squirrelsong themes are low-contrast color schemes with great readability for web developers and non-distracting UI themes for many apps. It’s also available for:
Alfred, Bear, Brave, CotEditor, Cursor, Fastmail, Firefox, fzf, Ghostty, Google Chrome, IntelliJ IDEA, iTerm2, JetBrains, Marta File Manager, Microsoft Edge, Midnight Commander, Neovim, Nimble Commander, Pearcleaner, PhpStorm, PyCharm, RubyMine, Slack, Sublime Text, Telegram, Terminal.app, Vim, Visual Studio Code, Vivaldi, Warp, WebStorm, WezTerm