Thanks guys.
Yes I also tried 3 heavily diluted glazes (6 drops medium to 1 drop contrast) and even a 4th that was closer to 50:50 medium/contrast.
Every time I take a photo of my minis it comes out looking like a bad example from one of those "people of walmart" blogs.
However, this youtube clip
https://www.youtube.com/watch?v=oSR_xReAQxA shows very much the same technique and my mini comes out looking quite similar.
I do suspect they've done colour saturation in the picture but I'm envious because it's a perfect pitch of yellow (
IMO). Yellow without being orange and yellow without being too candy.
My next step will be to try a light Yriel Yellow drybrush and see if I can get it to pop a bit more. I also wondered if doing something with more of a gloss finish might help.
Again, thanks for advice, I appreciate it.