Everything here is open — no login, nothing to sign up for. 4 pages.
How a dye's hex becomes a section of the rainbow reference sheet. Every dye on file as a swatch, plotted by hue, with any of the boundaries draggable so the judgement calls are visible rather than asserted.
Public multiple-choice quiz: a scarf photo and four names, ten times over. Scored on how many you get right and how fast you answer.
Public memory game: match each scarf photo to its dye recipe name. Boards are dealt from a single color family, so it drills the distinctions that actually matter.
Pick a category to generate a printable barcode/SKU reference sheet (PDF) — one portrait page per recipe with photos and per-item barcode cards.
/scarves/public/reference-sheet/