This tool can take a mixture of CSS, HTML, JS and other code listings as input and show all mentioned web colors as output.
Add a list of colour values separated by newlines to the input field and press "Show colors".
The tool can process one color notation per line.
The tool supports the web color names, rgb(a), hsl(a), (ok)lab, (ok)lch, hwb and color notations.
There is logging for when the browser does not support a particular notation, or no color notation could be found on a line.