Hard to give an exact, or correct answer to this..
All depends on the shades of blue and green you have to start with.
♥There green i believe♥
I am pretty sure it's green Lincoln Green. see link
Robin Hoods tights were originally red from the fifteenth century stories and drawings. All of the first stories of Robin Hood indicate him as wearing scarlet clothes (hence ROBIN hood) and his men wore green.
What color is a robin head
a robin's belly is red
Robin Williams never publicly stated his favorite color.
Robin's eggs are light blue.
Batman, Robin, Green Lantern, and Superman
Lincoln green
All of the original stories of Robin Hood from the fifteenth century clearly state him as wearing scarlet clothes (hence ROBIN hood) and his men wore the green.
Its a Robin but it could also be cardinal or many others.
ROBIN MOORE