Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ColorAyz – a small webapp for grayscale images colorization launched in 2014; newer entries below may have overtaken it.

1. 1
   Adaptive Backgrounds▲231

   Extract dominant colours from images

   2014 · briangonzalez.github.io · its alternatives →

2. 2
   Color Library▲116

   Automated color separation

   2016 · colorlibrary.ch · its alternatives →

3. 3
   Open source colorizing grayscale images with NN▲219

   Neural Network to colorize grayscale images. Contribute to pavelgonchar/colornet development by creating an account on GitHub.

   2016 · github.com · its alternatives →

4. 4CA
   Colordrop – advanced color analysis app▲5

   2019 · getcolordrop.com · its alternatives →

5. 5AA
   An Algorithm to Generate Beautiful Color Palettes▲8

   2018 · chris.de · its alternatives →

6. 6
   ColorFavs▲115

   Generate color palettes from images, urls or randomly

   2016 · its alternatives →

7. 7CI
   Colordrop – Interactive Drag and Drop Website Coloring▲5

   2015 · apoorvsaxena.github.io · its alternatives →

8. 8
   Silk▲92

   An Interactive web canvas for "Light Painting"

   2015 · weavesilk.com · its alternatives →

9. 9
   Grade▲112

   Complementary gradients generated from images

   2016 · benhowdle.im · its alternatives →

10. 10
    Sweep.js▲68

    A JavaScript library for smoother color transitions

    2014 · rileyjshaw.com · its alternatives →

11. 11RT
    Real time color previsualisation▲8

    2012 · blog.framebench.com · its alternatives →

12. 12
    Color▲80

    A color matching game

    2015 · color.method.ac · its alternatives →

13. 13
    Colorful Gradients▲72

    1 CSS Gradient Background per second.

    2014 · its alternatives →

14. 14PA
    Palx – Automatic UI Color Palette Generator▲6

    2018 · palx.jxnblk.com · its alternatives →

15. 15
    GradientsGuru▲8

    collection of beautiful gradients and blend image effects

    2018 · its alternatives →

16. 16
    A tool for creating cohesive color palettes▲5

    Create more cohesive color palettes

    2015 · javierbyte.github.io · its alternatives →

17. 17CP
    Color Palette Generator▲8

    2024 · ozgrozer.github.io · its alternatives →

18. 18
    Introducing Framer Gradients▲15

    Where color meets motion

    2017 · medium.com · its alternatives →

19. 19
    Spectral▲6

    Browser based colour picker

    2014 · jxnblk.io · its alternatives →

20. 20MF
    My First Side Project to Ship – Swatches: Live Color Picker for iOS▲7

    2017 · swatchesapp.io · its alternatives →

21. 21HC
    Huestery – casual browser game about sorting colors and making gradient▲7

    2023 · huestery.com · its alternatives →

22. 22
    Color▲5

    a generator of contrasting colors

    2016 · shamdasani.org · its alternatives →

23. 23KM
    k-means Image Color Quantization in JavaScript▲5

    2017 · dstein64.github.io · its alternatives →

24. 24
    Open color▲7

    A color scheme for UI design

    2016 · github.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 →