Yes. As it happens, neither were especially good but were good enough ... what I would say is that the black bowl is actually more "lubricious" which I take to mean delivering a slicker glide. The blue bowl caused some highly polished razors to kinda skitter.
It's the now discontinued shaving stick you should try. Grab one while you still can and if you're not into sticks, you can grate it and use it like a puck of soap.
If you're an ingredients geek, here's the difference between the bowls:
Blue
Aqua, Stearic Acid, Sodium Hydroxide, Glycerin, Cocos Nucifera, Parfum, Coconut Acid, PEG-7 Glyceryl Cocoate, Sodium Lauryl Sulfate, Sodium Chloride, Diethylhexyl Sodium Sulfosuccinate, Sodium Benzoate, Ethylparaben, Tetrasodium EDTA, Dimethicone, Amyl Cinnamal, Butylphenyl Methylpropional, Citronellol, Hexyl Cinnamal, Limonene & Linalool
Black
Aqua, Palmitic Acid, Stearic Acid, Glycerin, Cocos Nucifera Oil, Coconut Acid, Sodium Hydroxide, Parfum, PEG-7 Glyceryl Cocoate, Sodium Lauryl Sulfate, Sodium Chloride, Ethylparaben, Diethylhexyl Sodium Sulfosuccinate, Tetrasodium EDTA, Alcohol Denat., Dimethicone, Amyl Cinnamal, Butylphenyl Methylpropional, Citronellol, Hexyl Cinnamal, Limonene, Linalool