Palette #1587

## On-chain, randomly generated color palette data: [openpalette.io](https://openpalette.io) These color palettes are a publicly available data source for generative art, games, websites, and more. They can be used by any other contract or web3 project for free. > If you're a developer, the contract API is called `getColors()`. You can also call e.g. `getColor1()` for a specific color