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Video Gamma Space

Because log space certainly doesn't look natural, it probably comes as no surprise that it is a bad color space to work in. But there is another encoding color space that you have been intimately familiar with for your entire computer-using life and no doubt have worked in directly at some point: the video space of your monitor.

You may have always assumed that 8-bit monitor code value 128, halfway between black and white, makes a gray that is half as bright as white. If so, you may be shocked to hearthat this is not the case. In fact, 128 is much darker—not even a quarter of white's brightness on most monitors.


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