Color space (Color Spaces).

RGB additive method (Additive RGB Colors) cone cells in the human eye to red, green, blue (RGB) is most sensitive to three colors. .We are perceived by the other colors are three colors obtained by mixing different proportions. .Computer monitors emit red, green, and blue light mix to produce different colors. .For example, red and green mix to produce yellow; <P> RGB additive color (Additive RGB Colors) </ P> <P> cone cells in the human eye to red, green, blue (RGB) is most sensitive to three colors. .We are perceived by the other colors are three colors obtained by mixing different proportions. .Computer monitors emit red, green, and blue light mix to produce different colors. .For example, mixing red and green produce yellow; red, green and blue primary colors mixed produces white. .Look at the chart: </ P> <P align=center> </ P> <P align=center> RGB additive color </ P> <P> CMYk subtractive (Subtractive CMYk Colors) </ P> .<P> a print of their body fell through the reflection of light, indirectly, we can see its color. .For example, a yellow sheet of paper will absorb the white light (natural light) in the blue, red and green part of the reflection, which show yellow. .This approach directly with the display is red and green produce yellow light while the effect is very similar. .Printer through the blue (Cyan), Magenta (Magenta), Yellow (Yellow) ink mixed in different proportions to create other different colors. .CMYk the color combination and subtraction may produce black. .But in fact the printer will use black ink to enhance the effect of black. .Therefore, CMYk final "k" is to represent the black (black). .</ P> <P align=center> </ P> <P align=center> CMYk subtractive </ P> <P> LAB and Adobe RGB (1998) Color </ P> Due to technical constraints, displays and .printer and can not export our naked eyes can see all the colors, the color is LAB color. .Through the following diagram, we can see the horseshoe-shaped distribution of LAB color. .General computer monitors can observe the color is sRGB (add color) color printer output is CMYk (subtractive) color. .CMYk color there are various types, these types of equipment with the output vary. .<P> We can see the picture below, not all colors can be output from the monitor or printer. .Some high-end digital cameras allow users to Adobe RGB (1998) shooting mode, Adobe RGB color range than the sRGB and CMYk large. .Therefore, they are richer color image output. .But we can not forget that most of the displays only support sRGB color. .</ P> <P align=center> </ P ><!-- Navigation Menu - ".