God
It may appear yellow, green, or blue because of other things in it. Insects breathe through their skin, so the blood doesn't carry oxygen. In humans and many other animals, it contains hemoglobin, which turns red when it picks up oxygen. Most insects don't have hemoglobin and don't have red blood.
Green
Yellow and green makes greenish-yellow.
Yellow and blue makes green.
Yellow and green mixed together make the color yellow-green, which is a shade between yellow and green on the color spectrum.
green and yellow makes lime green, i dont know who??
Red and yellow makes orange. Yellow and blue makes green.
Blue
yellow and blue.
Blue and yellow
The two colors that makes green are yellow and blue.
yellow + blue = green