online color Color extractor (6x6x6 = 216 colors)

RGB color mode is one kind of color standard in the industry, which is to receive a variety of colors by changing the three color channels of red (R), green (G) and blue (B) and superimposing them on each other. RGB stands for red, green and blue three channel color, this standard includes almost all color that human vision can perceive, is currently one of the most widely used color systems.