Ultramarine Blues and their properties
I have a question about Ultramarine Blue and Ultramarine Blue Deep. Could someone explain the difference between the two colors and their properties? I have been using them almost interchangeably and can't really discern the difference between them. My UB deep is WN and it seems to be less opaque than Ultramarine Blue. That could be my imagination I suppose. I love the airiness I can achieve with this color but I was just curious about what the "deep" in general means to paint manufacturers.
Thanks,
Nora
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