material green
{
   specular 0 1 0
   diffuse 0  5 0
}

material yellow
{
   diffuse  5  4  0
   ambient  2  1.5 0
}

material orange
{
   ambient 5 4 0.1
   diffuse 5 4  0
}

material cyan
{
   ambient 1 4 4
   diffuse 1 5 7
}

material gray
{
   ambient 2 2 2
}
material red
{
   diffuse 6 0 0
}