"Cousin Ricky" <rickysttATyahooDOTcom> wrote:
> scott <sco### [at] scottcom> wrote:
> > Have you heard of MacAdam ellipses?
> >
> > https://en.wikipedia.org/wiki/MacAdam_ellipse
> >
> > My idea is that if you convert your chroma values to a colour space with
> > almost equal-sized MacAdam's ellipses, you can then just do a linear
> > interpolation in that colour space, and you should get "perfect" hue
> > blends for any colours.
>
> Sounds very interesting.  I've been wondering about a perceptually linear color
> space, though none that I have seen looks linear to my own eyes--not Munsell,
> not CIELAB.  (I am hearing of CIELUV for the first time, though.)

There is no such thing as a perceptually linear color space. None that can be
represented in cartesian space at any rate.

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