Quote Originally Posted by Dave Starr
Since I got good color balance with 2 papers, that does rule out UV fluorescence from the Color Checker. As expensive as they are, I doubted that Macbeth would use a fluorescing ink on them anyway.
Does sound like a paper issue.

I was surprised, myself, about the MacBeth fluorescence - more than a little bit.

I'll see if I can find the original article.