One bit is 2 possible colors, black, 8bit has a possible of 256
256, 8 bits per pixel = 2^8 colours.
You are actually asking how many colors are possible in 8 bit per channel. 8 bit per channel means 256 colors, 1 bit= 2 colors, 2 bits= 4 colors, 3 bits= 8 colors, 4 bits= 16... 8bits= 256 colors. Since we have 3 channels in RGB color mode: Red, Green and Blue that means that we have 3x8= 24 bits per pixel in an image. 3x8 also means 256x256x256 colors possible. Number of possible colors in 8 bit per channel or 24 bits per pixel image is 256x256x256 colors or in particular exact number of possible colors is 16777216.
Most modern digital cameras use 24 bits (8 bits per primary) to represent a color. But more or less can be used, depending on the quality desired. Many early computer graphics cards used only 4 bits to represent a color.
Pixel depth refers to the number of bits used to represent the color of each pixel in a digital image. It determines the range of colors that can be displayed in an image. A higher pixel depth allows for more colors and greater color accuracy, while a lower pixel depth may result in color banding or a limited color palette.
The amount of information stored in a dot (pixel) and expressed in bits is called "bit depth." Bit depth indicates how many bits are used to represent the color of each pixel in an image, determining the range of colors that can be displayed. For example, an 8-bit depth allows for 256 different colors, while a 24-bit depth can represent over 16 million colors.
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One byte For each primary color results in 256 different intensity levels for each primary color. Thus a pixel can take on a color from 256X256X256 or 16.7 milion possible choices. If 1 bit = 256 Color Approximately. Then in 24 bit = 256 X 24 = 6144 color Approximately. Answer is Given By Pranjal Nath From Assam Bsc It(5th Sem) From Kuvempu Univercity. India.
Red, green, and blue are the three colored dots that make up a pixel on a television screen. These three colors are used in various combinations to create a wide spectrum of colors that compose the images displayed on the screen.
"Px" is an abbreviation used in many different places for "pixel." A pixel is the smallest element of a screen which when combined with others creates an image. Simply put, each tiny little pixel is a box filled with a certain color. Many hundreds or thousands of these pixels add up to create an image.
All colors have been used in many ways.......
The data from the framebuffer determines which of the colors in the palette are used for the current pixel it is rendering. This output data provides primary-color data from the lookup table.
Typical uncompressed colored images use 24 or 32-bits per pixel of an image (RGB 8-bits per color). After some basic math of lets say an 8 Megapixel image quickly becomes a very large file on a computer. A type of compression used is to select some colors (typically called a palette) and for every pixel in the original image select a color in the palette that is closest to it (some other techniques exist to make it more accurate, ie dithering). If the palette of colors is smaller than 256 colors than a single byte (8 bits) is all that is needed per pixel to indicate what color in the palette should belong at that pixel.