{
 "design": "HRIDAYA KH-001 Heart Lotus - loom master cartoon real-v1",
 "date": "2026-09-25",
 "source_photo": "founder photo (identical to live sit-001.jpg), perspective-rectified",
 "sampling": "median of pixels between 40th and 80th luminance percentile in each region of the rectified photo (removes texture shadows/highlights). Photo is lit by warm, dim room light.",
 "yarn_count": 10,
 "knot_density": "150 knots/in2 (~12.25 knots/in linear, ~2.07 mm pitch, ~724 knots across the 1500 mm diameter)",
 "total_knots_approx": 410862,
 "yarns": [
  {
   "code": "KH01",
   "name": "Saffron",
   "hex": "#a04d0a",
   "rgb": [
    160,
    77,
    10
   ],
   "role": "Field, innermost band (behind petals, r < 547.5 mm) - saffron end of the blend",
   "photo_region_sampled": "field r 0.56-0.73R",
   "area_mm2": 124422.0,
   "area_pct": 7.04,
   "knots_approx": 28925,
   "live_face_001_ref_hex": "#bd5e0b"
  },
  {
   "code": "KH02",
   "name": "Flame",
   "hex": "#97390b",
   "rgb": [
    151,
    57,
    11
   ],
   "role": "Field band 2 (r 547.5-592.5 mm) - orange-red step",
   "photo_region_sampled": "field r 0.73-0.79R",
   "area_mm2": 130089.4,
   "area_pct": 7.36,
   "knots_approx": 30239,
   "live_face_001_ref_hex": "#b1420e"
  },
  {
   "code": "KH03",
   "name": "Scarlet",
   "hex": "#8c2515",
   "rgb": [
    140,
    37,
    21
   ],
   "role": "Field band 3 (r 592.5-645 mm) - red step",
   "photo_region_sampled": "field r 0.79-0.86R",
   "area_mm2": 185409.6,
   "area_pct": 10.49,
   "knots_approx": 43099,
   "live_face_001_ref_hex": "#a82c1c"
  },
  {
   "code": "KH04",
   "name": "Crimson",
   "hex": "#7f1b19",
   "rgb": [
    127,
    27,
    25
   ],
   "role": "Field band 4, outer field (r 645-731.25 mm), carries dot ring and beads",
   "photo_region_sampled": "field r 0.86-0.975R",
   "area_mm2": 360332.5,
   "area_pct": 20.39,
   "knots_approx": 83775,
   "live_face_001_ref_hex": "#9d1f23"
  },
  {
   "code": "KH05",
   "name": "Oxblood",
   "hex": "#6b1e1d",
   "rgb": [
    107,
    30,
    29
   ],
   "role": "Thin darker red edge (r 731.25-750 mm, 18.75 mm wide)",
   "photo_region_sampled": "rim r 0.975-0.99R",
   "area_mm2": 87250.6,
   "area_pct": 4.94,
   "knots_approx": 20297,
   "live_face_001_ref_hex": null
  },
  {
   "code": "KH06",
   "name": "Sage Olive",
   "hex": "#45492e",
   "rgb": [
    69,
    73,
    46
   ],
   "role": "12 leaf petals, fill",
   "photo_region_sampled": "petal interiors, greener mid-tones (Lab a* -8..-6, L 40-80th pct)",
   "area_mm2": 513397.5,
   "area_pct": 29.05,
   "knots_approx": 119355,
   "live_face_001_ref_hex": "#5e5c3a"
  },
  {
   "code": "KH07",
   "name": "Deep Moss",
   "hex": "#272d15",
   "rgb": [
    39,
    45,
    21
   ],
   "role": "Petal veins: midrib + 2 lateral veins each side",
   "photo_region_sampled": "darkest 10% of petal pixels (veins)",
   "area_mm2": 85268.6,
   "area_pct": 4.83,
   "knots_approx": 19845,
   "live_face_001_ref_hex": "#2c361d"
  },
  {
   "code": "KH08",
   "name": "Forest",
   "hex": "#313b24",
   "rgb": [
    49,
    59,
    36
   ],
   "role": "Central disc field (behind star)",
   "photo_region_sampled": "central disc",
   "area_mm2": 157074.2,
   "area_pct": 8.89,
   "knots_approx": 36526,
   "live_face_001_ref_hex": "#37482f"
  },
  {
   "code": "KH09",
   "name": "Antique Gold",
   "hex": "#a06927",
   "rgb": [
    160,
    105,
    39
   ],
   "role": "Petal outlines, disc ring, hexagram, centre bindu dot, 144 rim dots, bead bodies",
   "photo_region_sampled": "hexagram bands",
   "area_mm2": 114563.3,
   "area_pct": 6.48,
   "knots_approx": 26624,
   "live_face_001_ref_hex": "#b87f32"
  },
  {
   "code": "KH10",
   "name": "Bronze",
   "hex": "#703b15",
   "rgb": [
    112,
    59,
    21
   ],
   "role": "Bead rim ring + 8 rosette ridges per bead",
   "photo_region_sampled": "shadowed 25% of bead pixels",
   "area_mm2": 9293.7,
   "area_pct": 0.53,
   "knots_approx": 2178,
   "live_face_001_ref_hex": null
  }
 ],
 "note_live_face_ref": "live_face_001_ref_hex = same regions sampled from the brighter, studio-lit face-001.jpg on khardhridaya.com; same hue family, roughly 15-20% lighter. Use for dye strike-off discussion only; the photo samples are the master values."
}