Wernher, you're correct, if fact the dazzle paint schemes were painted in bold bright colors, yellows, purples, reds, ect..We just see the black and white photo's, but can you imagine the dazzle schemes painted bold coming across the sea. The lines and colors were done to make it hard to determine course and confuse the eye in WW1. They all basically died out in WW2, ships were easy to spot and updated radar and sonar made the schemes more dangerous than helpful.
They did test several schemes for ww2 subs, painted waves, different colors of gray, towers more sky and deck dark gray. Finally decided why a scheme may help in certain conditions, it could hurt in others. Black was popular until they decided gray was best for day and night.
This is one of my favorites, the colors not shown in the B&W pic were blue, yellow and white....