Quote Originally Posted by cliveh View Post
So guys a lot of confusing responses here, but lets give a straight answer, is it blue or magenta for highest contrast when using multigrade paper?
Blue, if you have a source of light with no inherent green (e.g. a later version Ilford 500 head).

Magenta, if your light source is more typical.

Magenta with more typical light source is easy to work with.