oncern you at all when you are first starting out. It is also usually the case 
that less pigment is used per tube than in artist quality paint. As far as I can 
tell, if all your paints are student grade, this should not matter much, but it 
would seem true that it would take a lot of student quality yellow to make a 
green when mixed with an artist quality blue, for example.</p>
<p>Perhaps the most problematic issue with student grade paints is the tendency 
to use less expensive substitute pigments