Passage: The Palestine sunbird is 8 to 12 cm long with a wingspan of 14 to 16 cm. Males have an average weight of 7.6 g and females weigh around 6.8 g. The bill is fairly long, black and curves downwards. The plumage of breeding males is mostly dark but appears glossy blue or green in the light. There are orange tufts at the sides of the breast which are hard to see except at close range. Females and juveniles are grey-brown above with pale underparts. Non-breeding males are similar but may retain some dark feathers.

Question: What is the main color of the plumage of breeding males?
blue or green