<img width="128" alt="Pika icon, an eye against a multicoloured background" src="https://user-images.githubusercontent.com/449385/103492506-4dbd3700-4e23-11eb-97ca-44a959f171c6.png">

Pika

Pika (pronounced pi·kuh, like picker) is an easy to use, open-source, native colour picker for macOS. Pika makes it easy to quickly find colours onscreen, in the format you need, so you can get on with being a speedy, successful designer.

<img width="768" alt="Screenshots of the dark and light Pika interface" src="https://superhighfives.com/assets/pika-readme%402x.png">

Download

Download the latest version of the app at:<br /> superhighfives.com/pika

Or install with Homebrew:

brew install --cask pika

Features

• Quick color picking from anywhere on screen
• Multiple color format support (Hex, RGB, HSB, HSL, LAB, OpenGL)
• Keyboard shortcuts for efficiency
• URL scheme support for automation
• System color picker integration
• Undo/redo functionality
• Color swapping capabilities

Learn More

Learn more about the motivations behind the project, and the product vision.

<a href="https://www.producthunt.com/golden-kitty-awards/hall-of-fame?year=2022"> <picture> <source media="(prefers-color-scheme: dark)" srcset="https://user-images.githubusercontent.com/449385/215260970-a3c37e86-7d2c-458e-84f8-32a6e24b0cc7.png"> <img width="250" alt="Golden Kitty Awards 2022 Finalist" src="https://user-images.githubusercontent.com/449385/215260971-e09cdbea-588a-45a9-955c-cbfd1822c2b9.png"> </picture> </a>

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Requirements

OS

• macOS Sequoia (Version 14) and newer

Keyboard Shortcuts

As of version 0.0.18, Pika supports the following keyboard shortcuts:

Pick colors

• <kbd>⌘ D</kbd>: Pick foreground
• <kbd>⌘ ⇧ D</kbd>: Pick background

Copy colors

• <kbd>⌘ C</kbd>: Copy foreground
• <kbd>⌘ ⇧ C</kbd>: Copy background

Use the system colour picker

• <kbd>⌘ S</kbd>: Use for foreground
• <kbd>⌘ ⇧ S</kbd>: Use for background

Change formats

• <kbd>⌘ 1</kbd>: Format Hex
• <kbd>⌘ 2</kbd>: Format RGB
• <kbd>⌘ 3</kbd>: Format HSB
• <kbd>⌘ 4</kbd>: Format HSL
• <kbd>⌘ 5</kbd>: Format LAB
• <kbd>⌘ 6</kbd>: Format OpenGL
• <kbd>⌘ 7</kbd>: Format OKLCH

Change colors

• <kbd>⌘ Z</kbd>: Undo last pick
• <kbd>⌘ ⇧ Z</kbd>: Redo last pick
• <kbd>X</kbd>: Swap colors

URL Triggers

As of version 0.0.17, you can trigger Pika using the pika:// URL scheme.

You can also change the format by appending it to the URL when picking or copying. For example, pika://pick/foreground/hex (or rgb, hsl, hsb).

Pick colors

• Pick foreground:
  • pika://pick/foreground
• Pick background:
  • pika://pick/background
• Pick colour with specific format:
  • pika://pick/foreground/hex (or hex, rgb, hsb, hsl, lab, opengl, oklch)
  • pika://pick/background/hex (or hex, rgb, hsb, hsl, lab, opengl, oklch)
• Use the system color picker for foreground:
  • pika://system/foreground
• Use the system color picker for background:
  • pika://system/background

Copy colors

• Copy foreground:
  • pika://copy/foreground
• Copy background:
  • pika://copy/background
• Copy colour with specific format:
  • pika://copy/foreground/hex (or hex, rgb, hsb, hsl, lab, opengl, oklch)
  • pika://copy/background/hex (or hex, rgb, hsb, hsl, lab, opengl, oklch)
• Copy text
  • pika://copy/text
• Copy JSON
  • pika://copy/json

Change formats

• Format Hex
  • pika://format/hex
• Format RGB
  • pika://format/rgb
• Format HSB
  • pika://format/hsb
• Format HSL
  • pika://format/hsl
• Format LAB
  • pika://format/lab
• Format OpenGL
  • pika://format/opengl
• Format OKLCH
  • pika://format/oklch

Change colors

• Undo last pick
  • pika://undo
• Redo last pick
  • pika://redo
• Swap colors
  • pika://swap

Development

• Xcode
• Swift Package Manager
• Mint

Getting Started with Contributing

Make sure you have mint installed, and bootstrap the toolchain dependencies:

brew install mint
mint bootstrap

Open Pika.xcodeproj and to run the project. Sparkle requires that you have a team and signing profile set for the project, or it will crash with a dyld / signal SIGABRT error.

If you run into any problems, please detail them in an issue.

Contributions

Any and all contributions are welcomed. Check for open issues, look through the project roadmap, help translating the app and submit a PR.

Dependencies and Thanks

• Sparkle software update framework
• Defaults
• Keyboard Shortcuts
• Launch At Login
• NSWindow+Fade
• Sweetercolor colour extension library for Swift (slightly tweaked for NSColor, rather than UIColor)
• Color names
• Metal shader code in part thanks to Smiley

And a huge thank you to Stormnoid for the incredible 2D vector field visualisation on Shadertoy.