Colorify is a website containing a collection of color based tools. It's also a command line tool, and a node.js library. To find out more, read the about page by clicking the "Learn More" button below. You can also start using the web-based tools by clicking one of the feature boxes at the bottom of the page.
This app displays stats about a given color. It has a number of reactive color pickers and filters, as well as a search box and "random color" buttons.
This app lets you choose two base colors, and displays a gradient between those two colors. It also allows you to "mix" the various RGB channels in different ways, to produce different gradients, scales, ranges, etc.
This app lets you perform additive and subtractive mixing on two base colors. Select your colors, and see the results instantly.