Virtual currency GRB

RGB color mode is a color standard in the instry. It obtains various colors by changing the three color channels of red (R), green (g) and blue (b) and superimposing them. RGB is the color representing the three channels of red, green and blue. This standard covers almost all the colors that human vision can perceive, It is one of the most widely used color systems

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principle

RGB is designed according to the principle of color luminescence. Generally speaking, its color mixing method is like red, green and blue lights. When their light overlaps with each other, the colors are mixed, but the brightness is equal to the sum of the three brightness. The more mixed, the higher the brightness, that is, additive mixing

for the superposition of red, green and blue lights, the brightest superposition area of the central three colors is white, and the characteristics of additive mixing: the more superposition, the brighter

red, green and blue are three color channels. Each color is divided into 256 levels of brightness. At 0, the "light" is the weakest - it is turned off, and at 255, the "light" is the brightest. When the three color gray values are the same, the gray tone with different gray values will be proced, that is, when the three color gray values are all 0, it is the darkest black tone; When the three color grayscale is 255, it is the brightest white tone

RGB colors are called additive colors because you can proce white by adding R, G, and B together (that is, all light is reflected back to the eye). Additive colors are used for lighting, television and computer displays

for example, displays emit light through red, green, and blue phosphors to proce color. Most visible spectra can be expressed as the mixture of red, green and blue (RGB) light in different proportions and intensities. If these colors overlap, they proce cyan, magenta and yellow