Happy Hues is a color palette inspiration website that showcases curated colors in context, acting as a real-world example of how these colors can be applied to design projects. Key features of the website include:

* Displaying color palettes and allowing users to toggle between them to see different color schemes.

* Providing the hex codes for each color within a palette, with a click-to-copy functionality.

* Illustrating how colors can be used for various design elements such as background, headline, sub-headline, buttons, illustrations, card backgrounds, card headlines, and more.

* Offering a section dedicated to color terminology, explaining concepts like hue, tint, shade, tone, value, and saturation.

* Providing insights into the psychology of different colors, detailing the feelings, emotions, and associations linked to red, yellow, blue, green, orange, purple, white, and black.

* Introducing Mackenzie Child, the creator of Happy Hues, and explaining her goal to help users understand how to apply color palettes to their designs.

* Briefly mentioning some of Mackenzie Child's other projects, such as Colorables, Acme Logos, and Blocks wireframe.

* Stating that Happy Hues, along with other projects, is designed and built visually using Webflow.