https://www.color-meanings.com/color-meanings-japan/>Purple and Orange>As in the west, purple stands for royalty in Japanese culture as well. Purple flowers are very popular too. Orange on the other hand, denotes love and happiness and is a popular color in clothing. This vibrant color also denotes civilization and knowledge.Also see
https://en.wikipedia.org/wiki/Traditional_colors_of_Japan(I think the English translators knew about this when renaming the Kanto cities)
>>43298635I wonder if Gold was originally going to be paired with Black, so we would have Pokémon Gold & Black. Notice the colors of the Spaceworld border.