Inside of CARTO Builder we offer a set of default color schemes, CARTOColors, that can be used for both qualitative and quantitative data.
But what about the times when you want to customize the colors on your map, because of its theme, a predefined brand color, or just because? There are a variety of tools and guidelines available to find harmonious color combinations that can be brought into Builder to customize your map.
Another option to get started, that we outline here, is using the CartoCSS color function spin
to get started with custom color schemes, particularly for qualitative data.
With the basic building blocks in place, this function can be used in a variety of ways on many different maps. To demonstrate, we'll generate a series of well-known [color harmonies](https://en.wikipedia.org/wiki/Harmony_(co