↓scroll down for help↓

How to use this site:

  1. Hover over a color to highlight similar colors.
  2. Press "r" to change the colors in the image.
  3. Copy-and-paste an image or drag-and-drop a file onto this page. (on mac: press shift-ctrl-command-4, select a rectangle, and then command-v into this page)
  4. Press "w" to loosen or "s" to tighten how similar a color has to be to count as "similar". This only takes effect after you move your mouse.
  5. Draw a rectangle on the 3x3 colormap to highlight all colors within the rectangle.

Explanation of views:

Example images:

How to make shareable links with this site:

Paste a CORS-enabled URL here:

A URL will only work if it is served with the CORS header Access-Control-Allow-Origin: *. Imgur and Wikipedia both include that header and work great. Reddit does not.


See source code here. Report issues or send suggestions here.