Road Train !!!!!!!!!!

by Russell McMahon

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CMYK CMYK is a subtractive colour model rather than an additive as in the case of sRGB. The subtractive colour models are used in printing since they allow dyes, ink or paint pigments to absorb certain wavelengths from an otherwise white surface. The dyes, ink and paint pigments can be a very limited discrete set that are mixed to get a wide range of ...


3

CMYK is based off of offset printing capabilities where you are using only specific shades of Cyan, Magenta, Yellow and Black ink being laid down from separate printing plates to print full color. It isn't mechanically capable of reproducing very saturated colors. But ... most photo inkjets don't expect you to send generic CMYK files to them. They have ...


3

The covered range of colors (called gamut) is different between color spaces because these ranges are then discretized, "digitized", represented on a fixed amount of bits, and then reproduced on a monitor, in print, etc. One wants to store as much color information as possible in a certain amount of bytes. Now, if you have an equipment which can only emit ...


1

Exact blue is exact blue in all color spaces. If you have a specific color in one color space and convert it to a different color space, it's still exactly the same color (provided that the color is actually possible to represent in the new color space). The color code will be different, but it still represents the same color. If you create a very bright ...


1

Ease of print color mixing. When you are using ink based printing, any application of ink darkens a white page, thus making it difficult to get a true sRGB color space in prints without many inks. If you use a dark blue ink, you can't easily produce light shades of blue. By using lighter shades and a black filler, you can mix the amount of darkness you ...


1

As Raymond Chen would put it, developers hate to pay taxes. Colour management is a very big tax on Windows. Developers are expected to ask Windows what colour profile to use and then do all the RGB conversions themselves. (And let's not even get started on the added challenges of multiple monitors!) Most developers don't know any better so they just draw ...



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