Encycolorpedia.com does GW to Vallejo matches and gives you both the hex code and a little swatch on the screen along with the deltaE. Source: 11 months ago

Really, since you have no idea what the base pigments are in any color you want, I would refer to my original suggestion. If that isn't enough, then try thinning with a matching medium and then use the wet palette. You can also add a flow aid, but I would suggest a retarder, so the paint dries slightly slower on the model. That may help achieve more of a contrast effect as well. Lastly, if you aren't getting the... Source: 11 months ago

Https://encycolorpedia.com/ should do the trick. Source: about 1 year ago

Https://encycolorpedia.com/ is insanely useful not only does it tell you the hex and break down the color composition also if you have a color you like it’ll tell you the closest paint you can buy including citadel paints if there is one. Source: about 1 year ago

PaintRack on Android is the best (and worth upgrading to premium), but I should also mention https://encycolorpedia.com/ because you can use it to paint your house :). Source: about 1 year ago

Colormind : Color palette generator. ColorCurves.app: Color palette generator that uses curves to generate color palettes. ColorGradient: A free tool to create simple and complex CSS Gradients visually. Colorate: Color scheme tool for designers and developers. This will help you draw inspiration and serve as a resource for your color work. Khroma: Khroma uses AI to learn which colors you like and creates... - Source: dev.to / almost 2 years ago

A friend of mine who is color blind uses the site colorate for her blog, which may or may not help you, for creating color combinations based on hex code. Source: over 2 years ago

I know a lot of people will download it only because the note type and they might want to change the colors, so this is a good place to quickly find what you like https://colorate.azurewebsites.net/. Source: over 2 years ago