Sources: Trendy Web Color Palettes and Material Design Color Schemes & Tools and Best Color Palette Generator
Coolors is an intuitive application which allows us to generate color combinations in a simple way, share palettes, and even export them to different formats like SVG, PDF, or SCSS.
Stylify me provides us with the fundamentals of the style guide of a site including colors, fonts, sizing, and spacing.
Adobe Color CC
A classic tool to create color schemes with the color wheel or browse thousands of color combinations from the Kuler community.
A designer tool for creating color combinations that work together well.
Color-hex is an interesting tool which helps us to select monochromatic colors, triadic colors, analogous colors, or shades. It allows us to visualize our palette in different color models like RGB, HSL, HSV, and CMYK. It also generates the CSS code fo the selected color with suggested combinations for text-shadows, backgrounds, etc. http://www.color-hex.com/
A cornerstone of the online color community, Colour Lovers boasts over a million color palettes and a color(ful) userbase to match. With palattes, patterns, shapes and more, if you’ve got an hour or three, hop on over and start loving some colors.
A relative newcomer on the color scene, Color Hunt is a Product Hunt style website for, well, colors. Easily peruse a seemingly unending list of palettes, view, and favorite standout schemes for later.
A unique, cursor based interface offers a new and entertaining method of generating palettes on this site. Mouse around to change hue and lightness, scroll to adjust saturation; but seriously just go and try it for yourself.
Building on the same cursor based interface of the previous site,Colour Code lets you generate harmonies in addition to creating palettes, with export formats in SCSS, LESS and PNG.
Sip is an awesome little app for Mac and iPhone, letting you generate color schemes from photos, name, organize and share your palettes across multiple devices. Get the pro version and there is no end to the export options.
Cohesive Colors is a great tool for helping to give your color palettes a uniform feel. If you’re having trouble with an outlier in your palette, or just can’t get that last couple of colors right, try this one out.
If you’re looking for a straightforward site that does it all, check outColr, which can generate color palettes from a random image using Flickr (or upload your own), search over 17K color schemes and match words based on their color relativity.
Mudcube’s Color Sphere is not only a superb palette generator with large sliders for a more granular control over your scheme; it also lets you download them in .AI and .ACO files! Sweet!
Simple and purpose built for generating a palette from scratch, Color Combo’s tester balances color palette configurability with utility. And lucky for the lazy there is a random combo generator.
Great for discovering new color palettes and patterns, Colrd also features a gradient builder and search tool, something we haven’t found elsewhere.
Love the colors in a particular image? With Color Hunter, you can generate a palette by uploading an image. Too lazy? Discover previously generated palettes by searching their archives.