What colors did the ancient soap color and dark black refer to?

In ancient times, soap color refers to black; Dark black refers to the color of cyan or blue-green tone before the Han Dynasty; After the Han dynasty, the finger color was reddish, and there was black in the black.

1, when "soap" is used as a color, it means black, such as soap pleats (a black coat worn outside); Soap handkerchief (black headscarf); Soap towel (black headscarf); Soap boots (black booties), etc.

2. Dark black

(1) Before the Han Dynasty, the original meaning of Xuan was not black tones or red tones such as black/red black/red black. Xuan in the Zhou Dynasty is mostly used to refer to the sky, and the color is basically fixed in the blue color gamut, while the green color gamut is referred to by hidden characters. In the Han Dynasty, Xuan was redefined as the true color of the sky, and the colors that did not appear on the moon (basically red and black) were derived from the red and black domain.

(2) Dark black originates from Xuanwu, and its original meaning is Xuanming. The ancient sounds of Wu and Ming are interlinked. Wu means black; Ghost means yin. At first, Xuan Ming described the tortoise divination as follows: the tortoise's back is black, and the tortoise divination is to let the tortoise go to the underworld to ask his ancestors, bring back the answers and show them to the world in the form of divination.

Extended data

Other traditional colors in China:

1, deep red: the traditional color names in China, namely big red and true red, and the red in the three primary colors is the traditional China red.

2. Ochre (zhě) color: a traditional color term in China, red, crimson and crimson. Ochre clothes (red and brown clothes worn by ancient sinners, borrowed from sinners)

3. Lead cinnabar: refers to the name of traditional colors in China, also known as cinnabar, red and vermilion, and refers to the color of cinnabar, which is more lively than scarlet.

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