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That doesn't seem to be what the article says at all: > this was most likely due to the fact that red, blue and yellow (赤青黄) are regarded as the three primary
by freddie_mercury 8y ago
That doesn't seem to be what the article says at all:
> this was most likely due to the fact that red, blue and yellow (赤青黄) are regarded as the three primary colors in Japanese painting. Hence the “blue” traffic lights.
- rincebrain 8y agoThey're also regarded as the three primary colors in US painting - I recall having it explained to me when very young with two color wheels as combining paint versus combining light.