Martin,
In the first image the color is beautiful, I agree and I said that it is a great shot...But it's not whatever you call it... In painting and photography Rembrandt is a specific type of light...
Peter, thanks for the compliments.
You are correct that in studio photography, Rembrand is a specific type of light. But Rembrandt existed before photography, so I had in mind a broader meaning of the term, more like chiaroscuro, that is characteristic of his paintings. For example, one of his many selfies: