image processing - Why are non-gray colors used when rendering gray letters? -


why left of these better right? called something?

see why anti-aliasing in black characters use colors other gray-scale? on graphicdesign site.

words "anti-aliasing" , "sub-pixel rendering":

[subpixel rendering] takes advantage of fact each pixel on colour lcd composed of individual red, green, , blue or other color subpixels anti-alias text greater detail or increase resolution of image types on layouts designed compatible subpixel rendering.


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