Note: I don't have a blacklight yet, so this is a Phillips Hue set to a purple that acts like blacklight.
Black Strathmore ATC testing effects of FolkArt Fluorescent Glow colors Orange, Pink, Yellow, and Purple. The first column is 1 coat of the fluorescent color over 1 coat of Titanium White (Golden). Column 2 is 2 coats of the glow color, Column 3 is 1 coat of glow color, and 4th column is the glow color over 1 coat of a similar color heavy body paint.
Black Strathmore ATC testing effects of FolkArt Fluorescent Glow colors Orange, Pink, Yellow, and Purple. The first column is 1 coat of the fluorescent color over 1 coat of Titanium White (Golden). Column 2 is 2 coats of the glow color, Column 3 is 1 coat of glow color, and 4th column is the glow color over 1 coat of a similar color heavy body paint.