{
  "$description": "Brand: Mistral AI (mistral@1.0.0)",
  "color": {
    "swatches": {
      "$description": "Source-of-truth color swatches from palette mistral@1.0.0",
      "matt-deep": {
        "$value": "#000000",
        "$type": "color",
        "$description": "Pure black — deepest accent on dark canvas."
      },
      "matt-black": {
        "$value": "#1F1F1F",
        "$type": "color",
        "$description": "Primary dark canvas — Mistral's matt black surface."
      },
      "matt-black-tint": {
        "$value": "#3D3D3D",
        "$type": "color",
        "$description": "Elevated surface on dark canvas."
      },
      "beige-light": {
        "$value": "#FFF7E0",
        "$type": "color",
        "$description": "Light canvas — warm cream paper tone."
      },
      "beige-deep": {
        "$value": "#FCEFC6",
        "$type": "color",
        "$description": "Elevated surface on beige canvas."
      },
      "beige-deeper": {
        "$value": "#E6D2A0",
        "$type": "color",
        "$description": "Border / quiet divider on beige canvas."
      },
      "sunshine-50": {
        "$value": "#FFF0C3",
        "$type": "color",
        "$description": "Palest sunshine — surface tint."
      },
      "sunshine-100": {
        "$value": "#FFE295",
        "$type": "color",
        "$description": "Pale sunshine yellow."
      },
      "sunshine-200": {
        "$value": "#FFDD8A",
        "$type": "color",
        "$description": "Soft yellow."
      },
      "sunshine-300": {
        "$value": "#FFD06A",
        "$type": "color",
        "$description": "Warm amber-yellow."
      },
      "sunshine-400": {
        "$value": "#FFC452",
        "$type": "color",
        "$description": "Marigold."
      },
      "sunshine-500": {
        "$value": "#FFB83E",
        "$type": "color",
        "$description": "Mid sunshine — pumpkin gold."
      },
      "sunshine-600": {
        "$value": "#FFAD2E",
        "$type": "color",
        "$description": "Deep marigold."
      },
      "sunshine-700": {
        "$value": "#FFA110",
        "$type": "color",
        "$description": "Bright orange."
      },
      "sunshine-750": {
        "$value": "#F2920B",
        "$type": "color",
        "$description": "Pressed-orange variant for hover state."
      },
      "sunshine-800": {
        "$value": "#FF9500",
        "$type": "color",
        "$description": "Pumpkin."
      },
      "sunshine-900": {
        "$value": "#FF8A00",
        "$type": "color",
        "$description": "Burnt orange."
      },
      "sunshine-950": {
        "$value": "#FF7F00",
        "$type": "color",
        "$description": "Deepest sunshine — ember orange."
      },
      "mistral-orange": {
        "$value": "#FA500F",
        "$type": "color",
        "$description": "Mistral's signature warm orange — the primary brand accent."
      },
      "mistral-orange-bright": {
        "$value": "#FF6D05",
        "$type": "color",
        "$description": "Brighter pumpkin-orange variant."
      },
      "mistral-red": {
        "$value": "#E10500",
        "$type": "color",
        "$description": "Deepest ember-red — endpoint of the Sunshine arc."
      },
      "footer-yellow": {
        "$value": "#FFD800",
        "$type": "color",
        "$description": "Footer rainbow stripe — high-yellow stop."
      },
      "footer-marigold": {
        "$value": "#FFAF00",
        "$type": "color",
        "$description": "Footer rainbow stripe — marigold stop."
      },
      "gray-100": {
        "$value": "#F3F4F6",
        "$type": "color",
        "$description": "Subtle elevated surface on beige canvas."
      },
      "gray-300": {
        "$value": "#D1D5DC",
        "$type": "color",
        "$description": "Borders / quiet dividers on beige canvas."
      },
      "gray-500": {
        "$value": "#6A7282",
        "$type": "color",
        "$description": "Tertiary text."
      },
      "gray-700": {
        "$value": "#364153",
        "$type": "color",
        "$description": "Secondary text on beige canvas."
      },
      "gray-900": {
        "$value": "#101828",
        "$type": "color",
        "$description": "Deep ink for text on beige canvas."
      }
    }
  },
  "font": {
    "$description": "Typography roles mapped to font atoms",
    "heading": {
      "family": {
        "$value": [
          "Inter",
          "-apple-system",
          "BlinkMacSystemFont",
          "Segoe UI",
          "Roboto",
          "Helvetica Neue",
          "Arial",
          "sans-serif"
        ],
        "$type": "fontFamily",
        "$description": "heading role → Inter (inter@1.0.0)"
      },
      "weight": {
        "100": {
          "$value": 100,
          "$type": "fontWeight"
        },
        "200": {
          "$value": 200,
          "$type": "fontWeight"
        },
        "300": {
          "$value": 300,
          "$type": "fontWeight"
        },
        "400": {
          "$value": 400,
          "$type": "fontWeight"
        },
        "500": {
          "$value": 500,
          "$type": "fontWeight"
        },
        "600": {
          "$value": 600,
          "$type": "fontWeight"
        },
        "700": {
          "$value": 700,
          "$type": "fontWeight"
        },
        "800": {
          "$value": 800,
          "$type": "fontWeight"
        },
        "900": {
          "$value": 900,
          "$type": "fontWeight"
        },
        "$description": "Available font weights"
      }
    },
    "body": {
      "family": {
        "$value": [
          "Inter",
          "-apple-system",
          "BlinkMacSystemFont",
          "Segoe UI",
          "Roboto",
          "Helvetica Neue",
          "Arial",
          "sans-serif"
        ],
        "$type": "fontFamily",
        "$description": "body role → Inter (inter@1.0.0)"
      },
      "weight": {
        "100": {
          "$value": 100,
          "$type": "fontWeight"
        },
        "200": {
          "$value": 200,
          "$type": "fontWeight"
        },
        "300": {
          "$value": 300,
          "$type": "fontWeight"
        },
        "400": {
          "$value": 400,
          "$type": "fontWeight"
        },
        "500": {
          "$value": 500,
          "$type": "fontWeight"
        },
        "600": {
          "$value": 600,
          "$type": "fontWeight"
        },
        "700": {
          "$value": 700,
          "$type": "fontWeight"
        },
        "800": {
          "$value": 800,
          "$type": "fontWeight"
        },
        "900": {
          "$value": 900,
          "$type": "fontWeight"
        },
        "$description": "Available font weights"
      }
    },
    "mono": {
      "family": {
        "$value": [
          "Geist Mono",
          "SFMono-Regular",
          "Menlo",
          "Monaco",
          "Consolas",
          "Liberation Mono",
          "Courier New",
          "monospace"
        ],
        "$type": "fontFamily",
        "$description": "mono role → Geist Mono (geist-mono@1.0.0)"
      },
      "weight": {
        "100": {
          "$value": 100,
          "$type": "fontWeight"
        },
        "200": {
          "$value": 200,
          "$type": "fontWeight"
        },
        "300": {
          "$value": 300,
          "$type": "fontWeight"
        },
        "400": {
          "$value": 400,
          "$type": "fontWeight"
        },
        "500": {
          "$value": 500,
          "$type": "fontWeight"
        },
        "600": {
          "$value": 600,
          "$type": "fontWeight"
        },
        "700": {
          "$value": 700,
          "$type": "fontWeight"
        },
        "800": {
          "$value": 800,
          "$type": "fontWeight"
        },
        "900": {
          "$value": 900,
          "$type": "fontWeight"
        },
        "$description": "Available font weights"
      }
    }
  },
  "$extensions": {
    "com.brand-atoms.rules": [
      {
        "type": "contrastRatio",
        "target": "text-primary",
        "severity": "error",
        "rationale": "Beige Light (#FFF7E0) on Matt Black (#1F1F1F) gives roughly 16:1 — clears AAA decisively in both modes. The brand's dense, research-paper reading posture justifies an AAA target rather than the AA floor.\n",
        "against": "background",
        "minRatio": 7,
        "standard": "WCAG-AAA"
      },
      {
        "type": "colorChoice",
        "target": "roles.colors.primary",
        "severity": "error",
        "rationale": "Mistral Orange (#FA500F) is the brand's documented primary — it is the action color on buttons and the dominant accent on mistral.ai. Sunshine-700 / 750 are valid hover/pressed variants. Mistral-red is reserved for the deepest endpoint of the Sunshine arc and footer-band stops, not as the interactive primary. The pale Sunshine 50 / 100 tints lack enough contrast on either canvas to serve as primary.\n",
        "allowed": [
          "mistral-orange",
          "mistral-orange-bright",
          "sunshine-700",
          "sunshine-750"
        ],
        "forbidden": [
          "mistral-red",
          "sunshine-50",
          "sunshine-100",
          "footer-yellow",
          "footer-marigold"
        ]
      },
      {
        "type": "colorChoice",
        "target": "roles.colors.identity",
        "severity": "error",
        "rationale": "Mistral is dark-first by construction. The identity surface is the Matt-black canvas (#1F1F1F) or the deeper #000000 variant — the Sunshine ramp colors flow ACROSS it as gradient and accent, but the brand's identity ground is always the dark Matt.\n",
        "allowed": [
          "matt-black",
          "matt-deep"
        ],
        "forbidden": [
          "mistral-orange",
          "mistral-red",
          "sunshine-500",
          "beige-light"
        ]
      },
      {
        "type": "forbiddenTreatment",
        "target": "logo",
        "severity": "error",
        "rationale": "Mistral's wordmark and the rainbow-stripe footer band are precise typographic and chromatic artifacts. Recoloring, skewing, or applying drop-shadow to the mark conflicts with the brand's exact-engineering posture.\n",
        "treatments": [
          "stretched",
          "rotated",
          "recolored",
          "drop-shadow",
          "on-busy-photo",
          "low-contrast-fill"
        ]
      },
      {
        "type": "enumMembership",
        "target": "typography.heading.fontWeight",
        "severity": "warning",
        "rationale": "Mistral's marketing site uses Regular (400) for body, Medium (500) and SemiBold (600) for emphasis, and Bold (700) for hero headings — the typical variable-font cut. Display weights outside this band are not in the licensed Pixelbasel delivery on mistral.ai.\n",
        "allowed": [
          "400",
          "500",
          "600",
          "700"
        ]
      },
      {
        "type": "fontPairing",
        "target": "typography.display",
        "severity": "warning",
        "rationale": "The Pixelbasel display face pairs with FragmentMono for code and inline-technical contexts on mistral.ai. A 1.5× minimum display-to-mono size ratio preserves the typographic hierarchy when both faces appear adjacent in research tables, model spec sheets, and CLI illustrations.\n",
        "requires": "code",
        "minSizeRatio": 1.5
      },
      {
        "type": "contextRestriction",
        "target": "roles.colors.error",
        "severity": "error",
        "rationale": "Mistral Red (#E10500) is the deepest endpoint of the Sunshine arc — it reads as alarm and as the destructive- action color. Large background fills in Mistral Red conflict with the documented brand posture where the dark Matt canvas is the ground.\n",
        "allowedContexts": [
          "error-state",
          "destructive-action",
          "data-viz-negative"
        ],
        "forbiddenContexts": [
          "large-fill",
          "background",
          "hero"
        ]
      },
      {
        "type": "compositionConstraint",
        "target": "roles.colors.primary",
        "severity": "recommendation",
        "rationale": "Mistral Orange reads cleanest on the Matt-black canvas or the warm Beige canvas. Placing it adjacent to Mistral Red or Footer Yellow creates a Sunshine-ramp chromatic conflict — they belong together AS the ramp, not as competing foreground/background pairs.\n",
        "pairsWith": [
          "matt-black",
          "matt-deep",
          "beige-light",
          "beige-deep"
        ],
        "doesNotPairWith": [
          "mistral-red",
          "footer-yellow"
        ]
      },
      {
        "type": "accessibilityRequirement",
        "target": "*",
        "severity": "error",
        "rationale": "WCAG 2.1 Success Criterion 1.4.3 (Contrast Minimum) — Level AA. The brand's dark-first composition with the bright Sunshine accent clears AA effortlessly; consumers must preserve the property when composing Sunshine tints against the Matt canvas.\n",
        "standard": "WCAG-AA",
        "criterion": "1.4.3"
      }
    ],
    "com.brand-atoms.assets": [],
    "com.brand-atoms.provenance": {
      "source": "https://mistral.ai/",
      "license": "Proprietary — All Rights Reserved",
      "attribution": "Mistral AI — visual identity captured from the deployed stylesheet on mistral.ai (--color-mistral-sunshine-*, --mistral-beige-*, --mistral-black-matt-*, --mistral-orange, --mistral-red, --mistral-footer-band-* token families). Mistral, Mistral AI, and associated marks are property of Mistral AI.\n",
      "importedDate": "2026-05-18",
      "notes": "Derived from live site CSS at https://mistral.ai/ on 2026-05-18; no public brand guide located. The proprietary display face Pixelbasel and proprietary mono FragmentMono are declared on mistral.ai via @font-face but are not publicly distributed. This atom references inter@1 as the open-source rendering substitute for the sans/display role and geist-mono@1 as the open-source rendering substitute for the mono role.\n"
    },
    "com.brand-atoms.references": {
      "palette": "mistral@1.0.0",
      "fonts": {
        "heading": "inter@1.0.0",
        "body": "inter@1.0.0",
        "mono": "geist-mono@1.0.0"
      }
    }
  }
}