The best alternatives to Color Peeker are Contrast, Shade, and Colorion. If these 3 options don't work for you, we've listed a few more alternatives below.
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Color Copy Paste is plugin that allows you to copy & paste colour directly from your phone's camera to your web browser, figma or sketch plugin. You can manage the colours with no hassle. No more manually taking picture and use color picker to get the color.
Color Collect is a color picker for the real world. When you pick colors through your camera, you can manually adjust the circles for your ideal shades. As long as you can see the colors, the app captures them for you.
Colors are represented in various ways in different languages. For example, RGBA can be encoded as either RGBA or ARGB, each channel can be stored as Integer or Double. This utility hides the details from you by converting colors to code snippets.
Colors Coder is a macOS app that lets developers and designers create and manage color libraries for their projects, and then generate Swift code that integrates perfectly. + UIColor/NSColor code + Many ways to create colors + Sketch Plugin to export from Sketch + Simple & Effective UI + Import-Export JSON & Plist + Export to macOS color palettes