Alternatives to Pika
Pick colors from your screen with a macOS utility. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Pika
Pick colors from your screen with a macOS utility.
Replacements
Listings that take over the same core job as Pika.
ColorSlurp
Color picker for Mac and iOS with a magnifier and palette management.
ColorSlurp also picks screen colors on Mac, adds an iOS app, a magnifier and contrast checking, but is closed source with the full feature set paid.
ColorZilla
Browser extension eyedropper, color picker and gradient generator.
ColorZilla is a free browser extension eyedropper with a gradient generator that works across systems but only picks colors visible in the browser window.
Sip
A macOS menu bar color picker for collecting, organizing and sharing color palettes.
Sip is a paid, closed-source macOS menu bar picker that adds palette organization, a color dock, contrast checking and color blindness simulation.
Just Color Picker
A free portable colour picker and colour editor for Windows and macOS that works offline.
Just Color Picker is free and portable on Windows and macOS with screen freeze and point lock, but it is not open source.
Gpick
An open-source desktop color picker and palette editor written in C++ with the GTK toolkit.
Gpick is an open-source picker and palette editor for Windows and Linux, with no macOS build mentioned.
Also worth comparing
These listings name Pika as their own alternative, so the relationship runs both ways.
Eyedropper
A GNOME app for picking colors from the screen and viewing them in many color formats.
Pika is an MIT-licensed screen color picker with keyboard shortcuts and format copying, but it runs on macOS instead of Linux.
Instant Eyedropper
A free screen color picker for Windows and Linux that copies the picked color to the clipboard.
Pika is an MIT-licensed screen color picker with keyboard shortcuts, running on macOS rather than Windows or Linux.
Similar software
Related functionality, not a direct replacement.
Pastel
Generate, convert and manipulate colors from the command line.
Colour Contrast Analyser
A free desktop app for checking foreground and background color contrast against WCAG, with eyedropper pickers.
Sim Daltonism
A color blindness simulator for Mac and iOS that filters a screen region or camera view.
HTML Color Codes
A web color picker and reference for Hex, RGB, HSL and OKLCH color codes.