Oort, I think this is because on yafaray transparency map is modified by diffuse intensity. This is a known problem and I expect David will normalize this behavior, to match other render engine's workflow, when the shader system gets a full revision.
Regards.
Look at mapping color filtering.
http://www.yafaray.org/documentation/use...modulation
Regards.
Look at mapping color filtering.
http://www.yafaray.org/documentation/use...modulation