ウェブH: Normalized to [0–100] (hundred) White is the lightest color and is achromatic (having no hue ). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light.
ウェブWhite Day is celebrated annually on March 14, one month after Valentine's Day, when people give reciprocal gifts to those who gave them gifts on Valentine's Day. It began in Japan in 1978; its observance has spread to several other East Asian nations like China, Taiwan, South Korea and countries worldwide.