Mature, somewhat subtle, and leaning toward simple.
Something that emphasizes our grassroots advocacy to support smart development throughout the San Francisco Bay Area. Possibly something that combines both a grassy and an urban/city feel.
See our website, http://greenbelt.org, for an example of how we look.
HTML codes for additional colors to use:
Green: 568e14 or RGB 86-142-20 or CMYK 39-0-86-44
Red: a62323 or RGB 166-35-35 or CMYK 0-79-79-35
Blue: 2e5266 or RGB 46-82-102 or CMYK 55-20-0-60
The t-shirt will be worn by employees throughout the different Bay Area office locations. They may also be distributed to people supporting the organization.