A darker yellow....actually, yellow and purple make a darker yellow. Yellow and black make an olive green color, but the shade will depend on the amounts of each color you use to mix.
grey
If you mix yellow and black, you will get a darker shade of yellow called olive green or dark yellow. The black color would darken the yellow, resulting in a muted or earth-toned shade.
Black and a little yellow
You have to mix the three primary colors: Blue, Yellow, and Red.
to mix dark brown, mix black, blue, yellow and red
you get a dark green/forest green
yellow and black then gray then white
black
There are a few colors that when mixed create the color black. You can mix equal parts of red, blue, and yellow to get a black color.
i think dark brown
You mix yellow with small amounts of black
A kind-of darkish brownish greenish, almost like a yellowy olive color.
It can be yellow-green, brown, black, or a mix of those colors.