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Document 16-colour mapping

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Andy Dixon
2026-10-02 08:39:14 +01:00
parent 830f2e7fc3
commit 2d72e5b32e
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ARCHITECTURE.md
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@@ -192,7 +192,9 @@ true-colour to the detected profile (256 / 16 / none), so the drawing code
uses RGB throughout. For 256-colour terminals the canvas quantizes colours
itself (redmean distance over the 6×6×6 cube and grey ramp, never the
palette-dependent first 16 entries): the stock conversion maps dark tints to
saturated olive/navy and destroys the shading. `--color` overrides
saturated olive/navy and destroys the shading. For 16 colours, dark shades
map to black, greys to the grey entries, and saturated colours keep their
hue, so shadows stay quiet and categories stay distinguishable. `--color` overrides
detection (useful over SSH, where `COLORTERM` is often not forwarded).
`NO_COLOR` selects the `mono` theme, which relies on attributes and glyphs
only. Selection never relies on colour alone: the selected rectangle uses a