5:6:5 RGB Considered Harmful

[Mitch Bradley]

Benjamin M. Schwartz wrote:
> Quoting Albert Cahalan <acahalan at gmail.com>:
>   
>> 5:6:5 can't even do grey.
>>     
>
> I can't speak to the other problems with 565, but this one can be partially
> remedied.  In 565, white is normally (31,63,31).  If we change our display's
> color balance so white is (31,62,31) then there are 30 available exact shades
> of gray.
>
> We lose essentially no precision, and the format becomes a strict superset of
> 555.
> Of course, (31,63,31) would be clipped to white.
>   
I expect that the unit-to-unit variance in the color temperature of the 
backlight LEDs exceeds 1 LSB  of green in 565.

> Just a thought.
>
> --Ben
>
> _______________________________________________
> Devel mailing list
> Devel at laptop.org
> http://mailman.laptop.org/mailman/listinfo/devel
>
>
>