{
  "schema": 1,
  "id": "lit-carbon-2021-fig3",
  "version": "1.0.0",
  "category": "style",
  "palette_kind": "categorical",
  "name": "Five colours · rate curves",
  "name_zh": "五色 · 倍率曲线",
  "description": "Selected source vector strokes; original previews and a generic sample mapping.",
  "description_zh": "文献线条取色；图样与样品映射由 VoltPeer 单独生成。",
  "author": "VoltPeer",
  "license": "CC-BY-4.0",
  "background": "#FFFFFF",
  "series": [
    "#286081",
    "#CA324C",
    "#2A6049",
    "#C58000",
    "#009AC6"
  ],
  "observed_series": [
    "#286081",
    "#CA324C",
    "#2A6049",
    "#FAA200",
    "#00B7EC"
  ],
  "adjustments": [
    {
      "observed": "#FAA200",
      "used": "#C58000",
      "reason": "Darkened to measured white-background contrast ≥3.2 for thin traces."
    },
    {
      "observed": "#00B7EC",
      "used": "#009AC6",
      "reason": "Darkened to measured white-background contrast ≥3.2 for thin traces."
    }
  ],
  "roles": {
    "reference_or_baseline": "#286081",
    "new_or_intervention": "#CA324C",
    "limitation_or_failure": "#009AC6",
    "mechanism_or_model": "#2A6049",
    "neutral_context": "#4F5A67"
  },
  "pastels": {
    "blue": "#EAF0F8",
    "teal": "#E8F4F2",
    "rust": "#F8EDE7",
    "purple": "#F1ECF8"
  },
  "line_pt": 1.15,
  "role_scope": "Generic roles and pale auxiliary fills are VoltPeer additions; not the source paper sample semantics.",
  "paper": {
    "doi": "10.1038/s41467-021-27791-7",
    "doi_url": "https://doi.org/10.1038/s41467-021-27791-7",
    "title": "Coupling aqueous zinc batteries and perovskite solar cells for simultaneous energy harvest, conversion and storage",
    "authors": [
      "Chen, Peng",
      "Li, Tian-Tian",
      "Yang, Yuan-Bo",
      "Li, Guo-Ran",
      "Gao, Xue-Ping"
    ],
    "journal": "Nature Communications",
    "publication_date": "2022-01-10",
    "url": "https://www.nature.com/articles/s41467-021-27791-7",
    "metadata_source": "Publisher HTML citation metadata",
    "checked_at": "2026-10-07"
  },
  "colour_source": {
    "figure": "3",
    "panels": "a",
    "pdf_page": 5,
    "method": "PDF vector stroke RGB → rounded 8-bit HEX; source page visually checked. No bitmap figure is redistributed.",
    "pdf_sha256": "e37019af5d28fc992b89b3f9adbbbc2c0ad51255302574a449de57fee2de8c4c",
    "licence": "CC-BY-4.0",
    "licence_url": "https://creativecommons.org/licenses/by/4.0/",
    "observation_boxes_pt": {
      "#286081": [
        [
          143.17,
          77.17,
          275.96,
          163.61
        ],
        [
          143.17,
          78.46,
          264.44,
          168.02
        ],
        [
          310.76,
          416.0,
          450.75,
          454.89
        ],
        [
          140.96,
          346.89,
          280.2,
          537.77
        ],
        [
          149.36,
          266.49,
          153.45,
          268.51
        ]
      ],
      "#CA324C": [
        [
          143.17,
          77.17,
          205.52,
          160.01
        ],
        [
          143.17,
          79.48,
          203.48,
          168.08
        ],
        [
          310.76,
          389.9,
          450.75,
          451.81
        ],
        [
          309.45,
          388.6,
          312.03,
          391.17
        ],
        [
          310.03,
          388.66,
          312.61,
          391.23
        ],
        [
          310.57,
          388.69,
          313.15,
          391.26
        ]
      ],
      "#2A6049": [
        [
          143.17,
          77.14,
          172.99,
          156.37
        ],
        [
          143.17,
          82.32,
          172.31,
          167.96
        ],
        [
          310.76,
          334.59,
          450.75,
          455.65
        ],
        [
          309.2,
          332.82,
          312.29,
          335.48
        ],
        [
          309.77,
          332.88,
          312.86,
          335.54
        ],
        [
          310.31,
          332.94,
          313.4,
          335.61
        ]
      ],
      "#FAA200": [
        [
          143.17,
          77.08,
          157.42,
          149.78
        ],
        [
          143.17,
          84.6,
          157.42,
          168.02
        ]
      ],
      "#00B7EC": [
        [
          143.17,
          76.83,
          149.94,
          134.03
        ],
        [
          143.17,
          88.69,
          149.94,
          168.33
        ]
      ]
    },
    "review": "selected curves / outlines only; unrelated microscopy and photographs excluded"
  },
  "saturation": "high",
  "preview_scope": "Original analytic teaching models; no measured values from the cited paper.",
  "cvd_level": "not_verified",
  "white_contrast": [
    6.817,
    5.157,
    7.323,
    3.25,
    3.262
  ],
  "source_credit": {
    "source": "Chen, Peng et al. · Nature Communications 2022 · Fig. 3",
    "author": "Chen, Peng, Li, Tian-Tian, Yang, Yuan-Bo, Li, Guo-Ran, Gao, Xue-Ping",
    "url": "https://doi.org/10.1038/s41467-021-27791-7",
    "licence": "CC-BY-4.0",
    "scope": "Vector stroke colours selected from the cited figure; explicit contrast adjustments recorded. Plot/code/data are independent teaching materials."
  },
  "created_at": "2026-10-07",
  "updated_at": "2026-10-07"
}