Gosh, I just realised how short-sighted I've been. I was assuming you wanted the colour to match the flower in the hair, but now I realise maybe you just wanted it to match the fluffy rug? Which is it?
There are two places to clear cache. One is in the Tools menu, and one is in Preferences. Make sure you do the one in Preferences - is that what you did?
If you look at the blanket directly below the fingers of his left (our right) hand, you'll see why Hue/Saturation won't work for this anyway, regardless of any cast issues. See the weird flat shadow areas?
Ok, try this ... add a Channel Mixer adjustment layer, and enter these values:
Red 0, +90, 0, 0
Green 0, +100, 0, 0
Blue 0, +125, 0, 0
Then mask on to the shirt, and show me how it looks.
Download the PSD
First, a chunk of hair from a bit further along, to cover that tricky black bar.
Then a Solid Color layer on Multiply mode.
Then a gradient layer for the whole background (I forgot the noise layer).