California State Route shield. Colors are from (Pantone Green 342), converted to RGB. The outside border has a width of 1 (1/16 in) and a color of black so it shows up; in reality, signs have no outside border.
<a href="//commons.wikimedia.org/wiki/User:Fluffy89502" title="User:Fluffy89502">Fluffy89502</a>
2018-11-28
<span class="int-own-work" lang="en">Own work</span>