Traditional Italian colors Jet black
Traditional Italian colors 
Traditional Chinese Colors What is lacquer (shitsu)? An explanation of the origins, history, and color schemes of traditional Chinese colors.
Japanese Color Encyclopedia What is Shikkoku (jet black)? An explanation of the origin, history, and color scheme of this traditional Japanese color.
Japanese Color Encyclopedia What is Roiro? An explanation of the origin, history, and color scheme of this traditional Japanese color.
Japanese Color Encyclopedia