Some observations I've made over the years: Intellivision has different NTSC and PAL color sets.  In particular, Mattel computed what the chroma values should be from what they thought the NTSC was doing, and sent that to Radofin for the PAL units.  The videos I've seen of PAL systems match the colors I get when I use the numbers in that document, but they're different from what I see on NTSC.  (I forget which scan it is, but it's in the huge archive at PapaIntellivision.com.) Int
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