Simply leave the color you want to create from your window, and you will see what you need for a mix of pure color and white and black paint ratio.
The color swatch is PCCS compliant with 84 colors in total of 12 hues and 7 tones, and is systematically selected to be less than the one in color.
The colors used are 9 colors including blue, shuiro, yamubuki, yellow, green, green, green, green, blue, white, and yellow, and are compatible with the most popular watercolors on the market.
(From Amazon.co.jp)