Software Alternatives, Accelerators & Startups

Top 3 Open-Source Alternatives to Polychrom—APCA Contrast Checker

Shade LeonardoColor.io Spectrum

Summary

The top open-source alternatives to Polychrom—APCA Contrast Checker are Shade, LeonardoColor.io, and Spectrum. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.
  1. 1
    Super easy color contrast insights and recommendations
    Pricing:
    • Open Source

    #Design Tools #Personal Website #Developer Tools

  2. Generate colors based on a desired contrast ratio.
    Pricing:
    • Open Source

    #Color Tools #Color Palette Generator #Color Picker 3 social mentions

  3. Browser-based app to visualize the frequencies of an audio file.
    Pricing:
    • Open Source

    #Construction #Construction Management #Project Management

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