Life & fun · alternatives · 2026

Rainbow is a software tool that attempts to display color on black-and-white monitors. Launched in 2020, it addresses the technical challenge of rendering colors on displays that lack color capability. The software is… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Rainbow – an attempt to display colour on a B&W monitor launched in 2020; newer entries below may have overtaken it.

1. 1
   White Screen▲12

   Full-screen color display | interactive color viewer

   2025 · displaymaster.dev · its alternatives →

2. 2
   Stark▲290

   The color-blind simulator and contrast checker for Sketch.

   2017 · getstark.co · its alternatives →

3. 3
   UI Colors▲302

   Tailwind CSS color generator & editing tool

   2022 · uicolors.app · its alternatives →

4. 4
   Colors & Fonts▲304

   Color & typography for web developers & digital designers

   2021 · colorsandfonts.com · its alternatives →

5. 5
   Color.review▲250

   Colors that look and work great for everyone.

   2019 · color.review · its alternatives →

6. 6
   Colors▲388

   A data-driven collection of beautiful color palettes 🌈

   2017 · pixelfika.com · its alternatives →

7. 7
   ColorHub▲200

   The new best site on the web for finding and testing colors

   2023 · colorhub.art · its alternatives →

8. 8
   Pandacolors▲290

   One click color generator with real time preview

   2017 · pandacolors.com · its alternatives →

9. 9
   Swatches▲245

   A fun and accurate color picker for the real world

   2017 · its alternatives →

10. 10
    Harmony▲235

    Elevating UI contrast control to a new level of precision

    2023 · figma.com · its alternatives →

11. 11
    Real-time Colors▲59

    Real-time UI Color Palette Tool

    2023 · realtimecolors.com · its alternatives →

12. 12CI
    Colorvote.io – ranking all sRGB web colors by popularity▲234

    2022 · colorvote.io · its alternatives →

13. 13
    ColorHub▲178

    Find the perfect color palette for your next project

    2021 · colorhub.vercel.app · its alternatives →

14. 14AD
    Automatic detection of non-colorblind safe colors▲87

    2018 · vis4.net · its alternatives →

15. 15
    Rainbow UI Kit by EpicPxls▲123

    A colorful Bootstrap 4 UI Kit for landing pages

    2017 · rainbow.epicpxls.com · its alternatives →

16. 16
    Palette For Mac▲205

    A menu bar based colour contrast analyser

    2016 · often.studio · its alternatives →

17. 17
    Tailwind Palette▲90

    Generate shades & tints for color with its Tailwind config

    2021 · tailwind-color-palette.netlify.app · its alternatives →

18. 18
    Color by Fardos▲111

    A chrome extension to pick, save & create colors/gradients

    2018 · chromewebstore.google.com · its alternatives →

19. 19AC
    A Color Palette Generator I Built For My Senior Thesis▲109

    2014 · colormoo.com · its alternatives →

20. 20
    EasyColor▲82

    Color systems and palettes from famous tech companies

    2021 · apps.apple.com · its alternatives →

21. 21PC
    Paletter – Create Professional Color Palettes from a Single Color▲101

    2021 · paletter.app · its alternatives →

22. 22AL
    A little web app for playing around with colors▲106

    2019 · color.clss.hk · its alternatives →

23. 23
    Palette▲117

    A no fuss color palette generator Chrome Extension.

    2016 · chromewebstore.google.com · its alternatives →

24. 24
    rainbow canvas printing▲6

    visualize how photos will appear on users' home walls

    2018 · play.google.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →