pam kueber - August 26, 2010, Updated: September 23, 2021
Retro Renovation stopped publishing in 2021; these stories remain for historical information, as potential continued resources, and for archival purposes.
Here’s another place to check for basic ceramic tiles — Nemo’s “Metro Wall” line of 4-1/4″ x 4-1/4″ tiles comes in 40 colors, including what looks to me to be a pretty retro green.