Japanese Color Encyclopedia Monotone
Japanese Color Encyclopedia 
Japanese Color Encyclopedia What is Tetsuguro (iron black)? An explanation of the origin, history, and color scheme of this traditional Japanese color.
Japanese Color Encyclopedia What is gray? An explanation of the origin, history, and color schemes of this traditional Japanese color.
Japanese Color Encyclopedia What is Kinunezumi (silk gray)? An explanation of the origin, history, and color scheme of this traditional Japanese color.
Japanese Color Encyclopedia What is lead? An explanation of the origin, history, and color schemes of traditional Japanese colors.
Japanese Color Encyclopedia What is Roiro? An explanation of the origin, history, and color scheme of this traditional Japanese color.
Japanese Color Encyclopedia