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15y ago

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What is RGB photography?

RGB photography is not as much a style of photography but a type of setting for editing the colours in an image. You may choose this setting selecting or editing the colours in an image. RGB is an acronym for Red Green Blue which refers to the colours making up an image.


Can RGB color value be negative?

No ,it is not negativeactually. RGB is short for R-Red G-Green B-Blue This is what TV's and computer monitors use in a similar process as CMYK. A web logo is RGB color profile and can be 72 dpi (since screen resolution is only this high). Should not be saved as vector art. So I think RGB colour is valuable.


What happens when you convert RGB to CMYK?

The underlying color model in Photoshop is neither RGB nor CMYK but LAB. It has the widest gamut, which means it can hold more color values than any other model. Of the two other models, RGB has more color values than CMYK does. When you convert from RGB to CMYK, the program first "maps" the RGB values into the LAB colorspace. It then maps the LAB values into the CMYK colorspace. Now, for REAL entertainment...take a pure RGB blue, or a pure RGB green, and attempt to map it into CMYK colorspace. It doesn't work at all. Red maps fine, but the other two go straight to hell.


How how many distinct colors are available in the color space RGB 24-bit?

RGB-24 uses 1 byte for Red, Green and Blue respectively.256x256x256 or 2^24 different colorsRGB-32 uses 1 byte for Red, Green, Blue and Transparency/Alpha respectively. The number of possible colors is the same as RGB-24 since transparency does only specify how to over-impose the image and does not define a color property by itself.


What stands K in CMYK why we not use B?

K is used to represent Black in CMYK because B is already used for Blue in RGB.