Update README

README.md

@@ -1,12 +1,20 @@
 # Harmony: Accessible UI Color Palette
 
-The
-[Harmony palette](https://www.figma.com/community/file/1287828769207775946/harmony-accessible-ui-color-palette)
+The [Harmony palette](https://www.figma.com/community/file/1287828769207775946/harmony-accessible-ui-color-palette)
 is designed to elevate control over color contrast in your design system. With
 the OKLCH color space and the innovative APCA contrast algorithm, Harmony offers
 highly consistent color shades, previously unavailable P3 gamut colors, and
 precise control over text and UI element contrast.
 
+<img src="https://cdn.evilmartians.com/badges/logo-no-label.svg" alt="" width="22" height="16" /> Made by Evil Martians, product consulting for developer tools.
+
+## Features
+- Equal contrast within lightness groups
+- Mirrored contrast pairs
+- Contrast levels for readability
+- Tailwind compatibility
+- P3 gamut for maximum color
+
 ## Installation
 
 ```shell
@@ -30,7 +38,7 @@ export default {
 };
 ```
 
-> ⚠️ Harmony uses `oklch` colors and so requires a polyfill
+> ⚠️ Harmony uses `oklch` colors and so requires a polyfill for old browsers
 
 1. Install PostCSS plugin that polyfills oklch colors