Olive green glass most often originated from wine or whiskey bottles made before the 1900's. Olive glass seems fairly scarce on the West Coast aside from older locales like San Francisco, CA.
Vintage Olive Green
These 5/8" triangles from the Pacific hang on sterling silver, fully closing leverback earrings.
$32 - Item #Olive1
Antique olive glass usually appears black until held up to the light. Above: Olive green Dutch onion bottle.