{
  "title": "Titanium IR Colour Chart \u2014 200 mm/s, 834 LPCM, Crosshatch",
  "source": "Photographed physical titanium chip card, sampled programmatically from the photo (median colour of a small patch at each chip centre, centre located via local chroma/brightness search across an interpolated perspective-corrected grid)",
  "photo_credit": "Yves LaFont",
  "material": "Titanium",
  "process": "IR fibre laser thermal oxidation (crosshatch fill pattern)",
  "settings": {
    "speed_mm_s": 200,
    "lpcm": 834,
    "fill_pattern": "Crosshatch"
  },
  "power_range_pct": [
    12,
    91
  ],
  "chip_count": 80,
  "caveats": [
    "Colour values are a photograph sample, not a colorimeter or spectrometer measurement \u2014 absolute hue/saturation/lightness are affected by the source photo's lighting and white balance.",
    "Treat as internally comparative (chip-to-chip trend within this one card) rather than an absolute colour reference.",
    "hue_deg/saturation_pct/lightness_pct are HSL values derived from the sampled RGB."
  ],
  "chips": [
    {
      "power_pct": 12,
      "hex": "#f0e9cd",
      "rgb": [
        240,
        233,
        205
      ],
      "hue_deg": 48.0,
      "saturation_pct": 53.8,
      "lightness_pct": 87.3
    },
    {
      "power_pct": 13,
      "hex": "#f2e5c6",
      "rgb": [
        242,
        229,
        198
      ],
      "hue_deg": 42.3,
      "saturation_pct": 62.9,
      "lightness_pct": 86.3
    },
    {
      "power_pct": 14,
      "hex": "#eee0be",
      "rgb": [
        238,
        224,
        190
      ],
      "hue_deg": 42.5,
      "saturation_pct": 58.5,
      "lightness_pct": 83.9
    },
    {
      "power_pct": 15,
      "hex": "#ecddb8",
      "rgb": [
        236,
        221,
        184
      ],
      "hue_deg": 42.7,
      "saturation_pct": 57.8,
      "lightness_pct": 82.4
    },
    {
      "power_pct": 16,
      "hex": "#e9dbb1",
      "rgb": [
        233,
        219,
        177
      ],
      "hue_deg": 45.0,
      "saturation_pct": 56.0,
      "lightness_pct": 80.4
    },
    {
      "power_pct": 17,
      "hex": "#eadaad",
      "rgb": [
        234,
        218,
        173
      ],
      "hue_deg": 44.3,
      "saturation_pct": 59.2,
      "lightness_pct": 79.8
    },
    {
      "power_pct": 18,
      "hex": "#e9d79e",
      "rgb": [
        233,
        215,
        158
      ],
      "hue_deg": 45.6,
      "saturation_pct": 63.0,
      "lightness_pct": 76.7
    },
    {
      "power_pct": 19,
      "hex": "#ecd591",
      "rgb": [
        236,
        213,
        145
      ],
      "hue_deg": 44.8,
      "saturation_pct": 70.5,
      "lightness_pct": 74.7
    },
    {
      "power_pct": 20,
      "hex": "#e9cd76",
      "rgb": [
        233,
        205,
        118
      ],
      "hue_deg": 45.4,
      "saturation_pct": 72.3,
      "lightness_pct": 68.8
    },
    {
      "power_pct": 21,
      "hex": "#e5ba4c",
      "rgb": [
        229,
        186,
        76
      ],
      "hue_deg": 43.1,
      "saturation_pct": 74.6,
      "lightness_pct": 59.8
    },
    {
      "power_pct": 22,
      "hex": "#e0ad3c",
      "rgb": [
        224,
        173,
        60
      ],
      "hue_deg": 41.3,
      "saturation_pct": 72.6,
      "lightness_pct": 55.7
    },
    {
      "power_pct": 23,
      "hex": "#ce8d24",
      "rgb": [
        206,
        141,
        36
      ],
      "hue_deg": 37.1,
      "saturation_pct": 70.2,
      "lightness_pct": 47.5
    },
    {
      "power_pct": 24,
      "hex": "#ab6215",
      "rgb": [
        171,
        98,
        21
      ],
      "hue_deg": 30.8,
      "saturation_pct": 78.1,
      "lightness_pct": 37.6
    },
    {
      "power_pct": 25,
      "hex": "#7a3b0d",
      "rgb": [
        122,
        59,
        13
      ],
      "hue_deg": 25.3,
      "saturation_pct": 80.7,
      "lightness_pct": 26.5
    },
    {
      "power_pct": 26,
      "hex": "#5b230b",
      "rgb": [
        91,
        35,
        11
      ],
      "hue_deg": 18.0,
      "saturation_pct": 78.4,
      "lightness_pct": 20.0
    },
    {
      "power_pct": 27,
      "hex": "#4b1708",
      "rgb": [
        75,
        23,
        8
      ],
      "hue_deg": 13.4,
      "saturation_pct": 80.7,
      "lightness_pct": 16.3
    },
    {
      "power_pct": 28,
      "hex": "#903e38",
      "rgb": [
        144,
        62,
        56
      ],
      "hue_deg": 4.1,
      "saturation_pct": 44.0,
      "lightness_pct": 39.2
    },
    {
      "power_pct": 29,
      "hex": "#803549",
      "rgb": [
        128,
        53,
        73
      ],
      "hue_deg": 344.0,
      "saturation_pct": 41.4,
      "lightness_pct": 35.5
    },
    {
      "power_pct": 30,
      "hex": "#783757",
      "rgb": [
        120,
        55,
        87
      ],
      "hue_deg": 330.5,
      "saturation_pct": 37.1,
      "lightness_pct": 34.3
    },
    {
      "power_pct": 31,
      "hex": "#743d6b",
      "rgb": [
        116,
        61,
        107
      ],
      "hue_deg": 309.8,
      "saturation_pct": 31.1,
      "lightness_pct": 34.7
    },
    {
      "power_pct": 32,
      "hex": "#65418a",
      "rgb": [
        101,
        65,
        138
      ],
      "hue_deg": 269.6,
      "saturation_pct": 36.0,
      "lightness_pct": 39.8
    },
    {
      "power_pct": 33,
      "hex": "#504ea7",
      "rgb": [
        80,
        78,
        167
      ],
      "hue_deg": 241.3,
      "saturation_pct": 36.3,
      "lightness_pct": 48.0
    },
    {
      "power_pct": 34,
      "hex": "#4e55ad",
      "rgb": [
        78,
        85,
        173
      ],
      "hue_deg": 235.6,
      "saturation_pct": 37.8,
      "lightness_pct": 49.2
    },
    {
      "power_pct": 35,
      "hex": "#3472c6",
      "rgb": [
        52,
        114,
        198
      ],
      "hue_deg": 214.5,
      "saturation_pct": 58.4,
      "lightness_pct": 49.0
    },
    {
      "power_pct": 36,
      "hex": "#2d78cb",
      "rgb": [
        45,
        120,
        203
      ],
      "hue_deg": 211.5,
      "saturation_pct": 63.7,
      "lightness_pct": 48.6
    },
    {
      "power_pct": 37,
      "hex": "#2976c5",
      "rgb": [
        41,
        118,
        197
      ],
      "hue_deg": 210.4,
      "saturation_pct": 65.5,
      "lightness_pct": 46.7
    },
    {
      "power_pct": 38,
      "hex": "#267cc0",
      "rgb": [
        38,
        124,
        192
      ],
      "hue_deg": 206.5,
      "saturation_pct": 67.0,
      "lightness_pct": 45.1
    },
    {
      "power_pct": 39,
      "hex": "#1768ad",
      "rgb": [
        23,
        104,
        173
      ],
      "hue_deg": 207.6,
      "saturation_pct": 76.5,
      "lightness_pct": 38.4
    },
    {
      "power_pct": 40,
      "hex": "#17568f",
      "rgb": [
        23,
        86,
        143
      ],
      "hue_deg": 208.5,
      "saturation_pct": 72.3,
      "lightness_pct": 32.5
    },
    {
      "power_pct": 41,
      "hex": "#164d70",
      "rgb": [
        22,
        77,
        112
      ],
      "hue_deg": 203.3,
      "saturation_pct": 67.2,
      "lightness_pct": 26.3
    },
    {
      "power_pct": 42,
      "hex": "#123952",
      "rgb": [
        18,
        57,
        82
      ],
      "hue_deg": 203.4,
      "saturation_pct": 64.0,
      "lightness_pct": 19.6
    },
    {
      "power_pct": 43,
      "hex": "#0d3145",
      "rgb": [
        13,
        49,
        69
      ],
      "hue_deg": 201.4,
      "saturation_pct": 68.3,
      "lightness_pct": 16.1
    },
    {
      "power_pct": 44,
      "hex": "#2c8095",
      "rgb": [
        44,
        128,
        149
      ],
      "hue_deg": 192.0,
      "saturation_pct": 54.4,
      "lightness_pct": 37.8
    },
    {
      "power_pct": 45,
      "hex": "#318494",
      "rgb": [
        49,
        132,
        148
      ],
      "hue_deg": 189.7,
      "saturation_pct": 50.3,
      "lightness_pct": 38.6
    },
    {
      "power_pct": 46,
      "hex": "#31839a",
      "rgb": [
        49,
        131,
        154
      ],
      "hue_deg": 193.1,
      "saturation_pct": 51.7,
      "lightness_pct": 39.8
    },
    {
      "power_pct": 47,
      "hex": "#408d9b",
      "rgb": [
        64,
        141,
        155
      ],
      "hue_deg": 189.2,
      "saturation_pct": 41.6,
      "lightness_pct": 42.9
    },
    {
      "power_pct": 48,
      "hex": "#448f93",
      "rgb": [
        68,
        143,
        147
      ],
      "hue_deg": 183.0,
      "saturation_pct": 36.7,
      "lightness_pct": 42.2
    },
    {
      "power_pct": 49,
      "hex": "#3f888f",
      "rgb": [
        63,
        136,
        143
      ],
      "hue_deg": 185.3,
      "saturation_pct": 38.8,
      "lightness_pct": 40.4
    },
    {
      "power_pct": 50,
      "hex": "#589a94",
      "rgb": [
        88,
        154,
        148
      ],
      "hue_deg": 174.5,
      "saturation_pct": 27.3,
      "lightness_pct": 47.5
    },
    {
      "power_pct": 51,
      "hex": "#549487",
      "rgb": [
        84,
        148,
        135
      ],
      "hue_deg": 167.8,
      "saturation_pct": 27.6,
      "lightness_pct": 45.5
    },
    {
      "power_pct": 52,
      "hex": "#4c8980",
      "rgb": [
        76,
        137,
        128
      ],
      "hue_deg": 171.1,
      "saturation_pct": 28.6,
      "lightness_pct": 41.8
    },
    {
      "power_pct": 53,
      "hex": "#54887a",
      "rgb": [
        84,
        136,
        122
      ],
      "hue_deg": 163.8,
      "saturation_pct": 23.6,
      "lightness_pct": 43.1
    },
    {
      "power_pct": 54,
      "hex": "#45776a",
      "rgb": [
        69,
        119,
        106
      ],
      "hue_deg": 164.4,
      "saturation_pct": 26.6,
      "lightness_pct": 36.9
    },
    {
      "power_pct": 55,
      "hex": "#3e6a5d",
      "rgb": [
        62,
        106,
        93
      ],
      "hue_deg": 162.3,
      "saturation_pct": 26.2,
      "lightness_pct": 32.9
    },
    {
      "power_pct": 56,
      "hex": "#37584d",
      "rgb": [
        55,
        88,
        77
      ],
      "hue_deg": 160.0,
      "saturation_pct": 23.1,
      "lightness_pct": 28.0
    },
    {
      "power_pct": 57,
      "hex": "#73614d",
      "rgb": [
        115,
        97,
        77
      ],
      "hue_deg": 31.6,
      "saturation_pct": 19.8,
      "lightness_pct": 37.6
    },
    {
      "power_pct": 58,
      "hex": "#705d44",
      "rgb": [
        112,
        93,
        68
      ],
      "hue_deg": 34.1,
      "saturation_pct": 24.4,
      "lightness_pct": 35.3
    },
    {
      "power_pct": 59,
      "hex": "#5a4c3c",
      "rgb": [
        90,
        76,
        60
      ],
      "hue_deg": 32.0,
      "saturation_pct": 20.0,
      "lightness_pct": 29.4
    },
    {
      "power_pct": 60,
      "hex": "#4f6244",
      "rgb": [
        79,
        98,
        68
      ],
      "hue_deg": 98.0,
      "saturation_pct": 18.1,
      "lightness_pct": 32.5
    },
    {
      "power_pct": 61,
      "hex": "#546845",
      "rgb": [
        84,
        104,
        69
      ],
      "hue_deg": 94.3,
      "saturation_pct": 20.2,
      "lightness_pct": 33.9
    },
    {
      "power_pct": 62,
      "hex": "#586d4b",
      "rgb": [
        88,
        109,
        75
      ],
      "hue_deg": 97.1,
      "saturation_pct": 18.5,
      "lightness_pct": 36.1
    },
    {
      "power_pct": 63,
      "hex": "#616f43",
      "rgb": [
        97,
        111,
        67
      ],
      "hue_deg": 79.1,
      "saturation_pct": 24.7,
      "lightness_pct": 34.9
    },
    {
      "power_pct": 64,
      "hex": "#686b38",
      "rgb": [
        104,
        107,
        56
      ],
      "hue_deg": 63.5,
      "saturation_pct": 31.3,
      "lightness_pct": 32.0
    },
    {
      "power_pct": 65,
      "hex": "#6b6734",
      "rgb": [
        107,
        103,
        52
      ],
      "hue_deg": 55.6,
      "saturation_pct": 34.6,
      "lightness_pct": 31.2
    },
    {
      "power_pct": 66,
      "hex": "#656636",
      "rgb": [
        101,
        102,
        54
      ],
      "hue_deg": 61.3,
      "saturation_pct": 30.8,
      "lightness_pct": 30.6
    },
    {
      "power_pct": 67,
      "hex": "#6c5d2b",
      "rgb": [
        108,
        93,
        43
      ],
      "hue_deg": 46.2,
      "saturation_pct": 43.0,
      "lightness_pct": 29.6
    },
    {
      "power_pct": 68,
      "hex": "#665827",
      "rgb": [
        102,
        88,
        39
      ],
      "hue_deg": 46.7,
      "saturation_pct": 44.7,
      "lightness_pct": 27.6
    },
    {
      "power_pct": 69,
      "hex": "#615125",
      "rgb": [
        97,
        81,
        37
      ],
      "hue_deg": 44.0,
      "saturation_pct": 44.8,
      "lightness_pct": 26.3
    },
    {
      "power_pct": 70,
      "hex": "#574620",
      "rgb": [
        87,
        70,
        32
      ],
      "hue_deg": 41.5,
      "saturation_pct": 46.2,
      "lightness_pct": 23.3
    },
    {
      "power_pct": 71,
      "hex": "#4f401d",
      "rgb": [
        79,
        64,
        29
      ],
      "hue_deg": 42.0,
      "saturation_pct": 46.3,
      "lightness_pct": 21.2
    },
    {
      "power_pct": 72,
      "hex": "#433417",
      "rgb": [
        67,
        52,
        23
      ],
      "hue_deg": 39.5,
      "saturation_pct": 48.9,
      "lightness_pct": 17.6
    },
    {
      "power_pct": 73,
      "hex": "#372513",
      "rgb": [
        55,
        37,
        19
      ],
      "hue_deg": 30.0,
      "saturation_pct": 48.6,
      "lightness_pct": 14.5
    },
    {
      "power_pct": 74,
      "hex": "#2b1e0d",
      "rgb": [
        43,
        30,
        13
      ],
      "hue_deg": 34.0,
      "saturation_pct": 53.6,
      "lightness_pct": 11.0
    },
    {
      "power_pct": 75,
      "hex": "#231306",
      "rgb": [
        35,
        19,
        6
      ],
      "hue_deg": 26.9,
      "saturation_pct": 70.7,
      "lightness_pct": 8.0
    },
    {
      "power_pct": 76,
      "hex": "#41281a",
      "rgb": [
        65,
        40,
        26
      ],
      "hue_deg": 21.5,
      "saturation_pct": 42.9,
      "lightness_pct": 17.8
    },
    {
      "power_pct": 77,
      "hex": "#4b3524",
      "rgb": [
        75,
        53,
        36
      ],
      "hue_deg": 26.2,
      "saturation_pct": 35.1,
      "lightness_pct": 21.8
    },
    {
      "power_pct": 78,
      "hex": "#523b26",
      "rgb": [
        82,
        59,
        38
      ],
      "hue_deg": 28.6,
      "saturation_pct": 36.7,
      "lightness_pct": 23.5
    },
    {
      "power_pct": 79,
      "hex": "#533624",
      "rgb": [
        83,
        54,
        36
      ],
      "hue_deg": 23.0,
      "saturation_pct": 39.5,
      "lightness_pct": 23.3
    },
    {
      "power_pct": 80,
      "hex": "#574436",
      "rgb": [
        87,
        68,
        54
      ],
      "hue_deg": 25.5,
      "saturation_pct": 23.4,
      "lightness_pct": 27.6
    },
    {
      "power_pct": 81,
      "hex": "#4e312b",
      "rgb": [
        78,
        49,
        43
      ],
      "hue_deg": 10.3,
      "saturation_pct": 28.9,
      "lightness_pct": 23.7
    },
    {
      "power_pct": 82,
      "hex": "#53392d",
      "rgb": [
        83,
        57,
        45
      ],
      "hue_deg": 18.9,
      "saturation_pct": 29.7,
      "lightness_pct": 25.1
    },
    {
      "power_pct": 83,
      "hex": "#4f3329",
      "rgb": [
        79,
        51,
        41
      ],
      "hue_deg": 15.8,
      "saturation_pct": 31.7,
      "lightness_pct": 23.5
    },
    {
      "power_pct": 84,
      "hex": "#4c352d",
      "rgb": [
        76,
        53,
        45
      ],
      "hue_deg": 15.5,
      "saturation_pct": 25.6,
      "lightness_pct": 23.7
    },
    {
      "power_pct": 85,
      "hex": "#452b24",
      "rgb": [
        69,
        43,
        36
      ],
      "hue_deg": 12.7,
      "saturation_pct": 31.4,
      "lightness_pct": 20.6
    },
    {
      "power_pct": 86,
      "hex": "#3e2627",
      "rgb": [
        62,
        38,
        39
      ],
      "hue_deg": 357.5,
      "saturation_pct": 24.0,
      "lightness_pct": 19.6
    },
    {
      "power_pct": 87,
      "hex": "#361d1c",
      "rgb": [
        54,
        29,
        28
      ],
      "hue_deg": 2.3,
      "saturation_pct": 31.7,
      "lightness_pct": 16.1
    },
    {
      "power_pct": 88,
      "hex": "#2c161a",
      "rgb": [
        44,
        22,
        26
      ],
      "hue_deg": 349.1,
      "saturation_pct": 33.3,
      "lightness_pct": 12.9
    },
    {
      "power_pct": 89,
      "hex": "#230f12",
      "rgb": [
        35,
        15,
        18
      ],
      "hue_deg": 351.0,
      "saturation_pct": 40.0,
      "lightness_pct": 9.8
    },
    {
      "power_pct": 90,
      "hex": "#1e0c0c",
      "rgb": [
        30,
        12,
        12
      ],
      "hue_deg": 0.0,
      "saturation_pct": 42.9,
      "lightness_pct": 8.2
    },
    {
      "power_pct": 91,
      "hex": "#1e100e",
      "rgb": [
        30,
        16,
        14
      ],
      "hue_deg": 7.5,
      "saturation_pct": 36.4,
      "lightness_pct": 8.6
    }
  ]
}