Re: GScript widget for Mac OS X released

[David Wilson <mcs6502@gmail.com>]

On Aug 31, 11:25 am, "John B. Matthews" <nos...@nospam.invalid> wrote:
> Ah, thank you, Michael. This sheds light (no pun:-) on Linards'
> derivation, which matches my recollection. I remember the "yellow" being
> more of a gold and the "brown" being a muddy green, but I'd swear there
> were two different grays. I'm curious why his table shows the two grays,
> [5] and [A], having the same sRGB 0x808080. Is that that the difference
> in luminance, also?

The two lores grays are identical in brightness on an NTSC monitor -
after all they are the same square wave but opposite polarity (and
have no 3.58MHz color component) resulting in 50% brightness.

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Jim Sather's Understanding the Apple IIe has a color picture (Fig
8.11) showing the LORES/HIRES80 colors in a color wheel. The two grays
look identical to me.