played a bit with photoshop to show myself how wrong I am with picking the right colors ... but it's still quite wrong, nothing special.(made it quick ... nowhere near 1h 28m)
Just transform your ref into something like this
LINK
then it should be somewhat easier to see how bright things actually are in relation to their sorrunding.
To be more exact, you can focus the whole color translation more in one spot:
LINK ... didn't do that here