A spoon test revealed the following.
All spoons were primered with Tamiya white. Spoons in front were then painted with TS-19 Metallic Blue (left) and TS-93 (Pure Blue). Spoons in the rear were painted with the TS-53 Deep Metallic Blue, which we all agree is too dark, then with TS-19 and TS-93 respectively, to see if I can get away with simply putting on another coat of a lighter colour or do I need to strip and start over.
The result, TS-19 over the original TS-53, is much better, although I maintain that metallic paint at 1/24 really doesn't look that good.
Stay tuned!