Considering the Asteroid Belt is made up of Dwarf Planets, asteroids, pebbles, grains and dust, it's difficult to be precise.
As a combination, the best answer would be anywhere from grey to black.
The asteroid belt is, as the name suggests, a belt of asteroids orbiting the Sun. They are basically a large collection of rocks. There is no real colour as it would be like asking what colour is a large collection of rocks.
The main asteroid belt is actually called the asteroid belt - pretty dull really.
Mars is not in the asteroid belt. The Asteroid Belt is between Mars and Jupiter.
The asteroid belt is in between Mars and Jupiter.
Venus is not in any asteroid belt.
The asteroid belt is not in Jupiter.
Inner.
The main asteroid belt is actually called the asteroid belt - pretty dull really.
The planet Jupiter is outside the asteroid belt, which is located in between the orbits of Mars and Jupiter.
Yes, the asteroid belt starts properly after the orbit of Mars.
Ceres is part of the asteroid belt.
no its in the outer side of the asteroid belt