Some new details about the upcoming Google Pixel 3a and 3a XL smartphones have been leaked. Apparently, one or both of the new devices will be offered in an "iris" color, which is the word specifically used to describe the choice. The same source has suggested a price for the Pixel 3a, and it might not be as cheap as expected.
https://www.notebookcheck.net/Iris-included-in-leaked-color-choices-for-Google-Pixel-3a-and-Pixel-3a-XL-estimated-price-for-3a-revealed.415234.0.html