Returns checkout buttons for any lively cost providers with offsite checkouts. The red, green, blue, and alpha values of the colour, represented as aspace-separated string, with a slash before the alpha channel. The purple, green, and blue values of the colour, represented as a space-separated string. The [metafields](/docs/api/liquid/objects/metafield) applied to https://fredericks356eei9.theobloggers.com/profile