[Terr_]

> Indeed, it eventually became a capital crime for people outside the Emperor's family to wear it.

Similarly, various Emperors far away in China had a similar enforced color-monopoly, except it was on yellow.

https://en.wikipedia.org/wiki/Color_in_Chinese_culture#Yello...

[thaumasiotes]

Under traditional Irish law, there was no significance to any particular color, but the number of different colors you could wear simultaneously was determined by your status.

The general phenomenon of legal protections on status signifiers goes under the name "sumptuary laws". https://en.wikipedia.org/wiki/Sumptuary_law

[opportune]

Interesting. Does that mean the Yellow Turbans choose Yellow to demonstrate a lack of legitimacy for the Eastern Han emperor?

[Terr_]

AFAICT the imperial color requirement came about a few hundred years later.