Icon contribution: Color

# Icon contribution

* Icon name: Color
* Use case: Selecting colors or themes
* Alternate names: paint, theme

I needed an icon for my app to let users choose between several themes with different colors. Here's what I made:


1. Maximum readability. Technically conforms to the guidelines, but not fully in the Feather style.
2. Compromise between readability and style
3. Full Feather style.

[SVGs can be downloaded here.](https://keybase.pub/dawnpaladin/color-icons/) [Figma file here.](https://www.figma.com/file/hoIewVZ0HV15TynNTfWqzn/Theme-icon?node-id=0%3A1)