{
  "schema_version": "detectable_design.area.v1",
  "area": {
    "slug": "marina_presidio_sf",
    "name": "Marina / Presidio",
    "state_name": "California",
    "state_code": "CA",
    "aliases": [
      "marina",
      "presidio",
      "marina presidio",
      "sf marina",
      "sf presidio"
    ]
  },
  "page_urls": [
    "https://detectable.design/marina_presidio_sf/daytime",
    "https://detectable.design/marina_presidio_sf/low_light"
  ],
  "methodology_url": "https://detectable.design/methodology",
  "last_updated": "2026-04-27",
  "recommendations": [
    {
      "schema_version": "detectable_design.recommendation.v1",
      "slug": "marina_presidio_sf__running__daytime",
      "area": {
        "slug": "marina_presidio_sf",
        "name": "Marina / Presidio"
      },
      "light_condition": "daytime",
      "light_label": "Daytime",
      "source_activity": "running",
      "page_url": "https://detectable.design/marina_presidio_sf/daytime",
      "data_url": "https://detectable.design/data/areas/marina_presidio_sf.json",
      "methodology_url": "https://detectable.design/methodology",
      "last_updated": "2026-04-27",
      "confidence": "high",
      "best_common_color": {
        "label": "White",
        "hex": "#F3F2EE"
      },
      "best_high_visibility_colors": [
        {
          "label": "Bright White",
          "hex": "#FFFFFF"
        },
        {
          "label": "Safety Red",
          "hex": "#FF2A2A"
        }
      ],
      "hardest_common_colors_to_see": [
        {
          "label": "Dark Gray",
          "hex": "#4B4F54"
        },
        {
          "label": "Charcoal",
          "hex": "#34373B"
        },
        {
          "label": "Navy",
          "hex": "#243B63"
        }
      ],
      "common_color_comparison": [
        {
          "label": "White",
          "hex": "#F3F2EE",
          "mean_score": 0.4392,
          "relative_to_average_high_vis": 0.9007,
          "relative_to_average_high_vis_percent": 90
        },
        {
          "label": "Orange",
          "hex": "#D97B2B",
          "mean_score": 0.4197,
          "relative_to_average_high_vis": 0.8608,
          "relative_to_average_high_vis_percent": 86
        },
        {
          "label": "Yellow",
          "hex": "#D9C957",
          "mean_score": 0.4142,
          "relative_to_average_high_vis": 0.8495,
          "relative_to_average_high_vis_percent": 85
        },
        {
          "label": "Red",
          "hex": "#C7433B",
          "mean_score": 0.4106,
          "relative_to_average_high_vis": 0.8421,
          "relative_to_average_high_vis_percent": 84
        },
        {
          "label": "Pink",
          "hex": "#D970A9",
          "mean_score": 0.3944,
          "relative_to_average_high_vis": 0.8088,
          "relative_to_average_high_vis_percent": 81
        },
        {
          "label": "Beige",
          "hex": "#CBB89A",
          "mean_score": 0.3751,
          "relative_to_average_high_vis": 0.7693,
          "relative_to_average_high_vis_percent": 77
        },
        {
          "label": "Light Gray",
          "hex": "#C8CDD1",
          "mean_score": 0.3708,
          "relative_to_average_high_vis": 0.7605,
          "relative_to_average_high_vis_percent": 76
        },
        {
          "label": "Light Blue",
          "hex": "#8FB9E8",
          "mean_score": 0.3397,
          "relative_to_average_high_vis": 0.6967,
          "relative_to_average_high_vis_percent": 70
        },
        {
          "label": "Black",
          "hex": "#1E1E20",
          "mean_score": 0.3259,
          "relative_to_average_high_vis": 0.6683,
          "relative_to_average_high_vis_percent": 67
        },
        {
          "label": "Blue",
          "hex": "#3F6FB5",
          "mean_score": 0.3229,
          "relative_to_average_high_vis": 0.6623,
          "relative_to_average_high_vis_percent": 66
        }
      ],
      "local_backdrop_elements": [
        {
          "label": "Glass / blue surfaces",
          "hex": "#659bd6",
          "photo_share": 0.4772,
          "percent_of_photos": 48
        },
        {
          "label": "Brick / warm surfaces",
          "hex": "#675341",
          "photo_share": 0.2364,
          "percent_of_photos": 24
        },
        {
          "label": "Vegetation",
          "hex": "#23291a",
          "photo_share": 0.3876,
          "percent_of_photos": 39
        }
      ],
      "quick_advice": "If you are choosing from regular clothing, start with white and add reflective details at moving points. It lands at about 90% of the average high-vis score here.",
      "action_summary": "For Marina / Presidio in daytime, white is the strongest common clothing color in the local street-scene analysis. Avoid dark gray, charcoal, and navy when you can because those colors are harder to distinguish against local backdrops. If you own high-vis gear, bright white is still the strongest benchmark option. Confidence: high.",
      "citation_text": "Detectable Design recommends White as the strongest common clothing color for Marina / Presidio in daytime, with high confidence. The hardest common colors to see are Dark Gray, Charcoal, and Navy. This is based on local street-scene color analysis and is not a crash-risk guarantee.",
      "disclaimer": "This guidance is based on local street-scene analysis and general visibility principles. It is not a prediction of crash risk or a guarantee of safety."
    },
    {
      "schema_version": "detectable_design.recommendation.v1",
      "slug": "marina_presidio_sf__running__low_light",
      "area": {
        "slug": "marina_presidio_sf",
        "name": "Marina / Presidio"
      },
      "light_condition": "low_light",
      "light_label": "Low light",
      "source_activity": "running",
      "page_url": "https://detectable.design/marina_presidio_sf/low_light",
      "data_url": "https://detectable.design/data/areas/marina_presidio_sf.json",
      "methodology_url": "https://detectable.design/methodology",
      "last_updated": "2026-04-27",
      "confidence": "high",
      "best_common_color": {
        "label": "White",
        "hex": "#F3F2EE"
      },
      "best_high_visibility_colors": [
        {
          "label": "Bright White",
          "hex": "#FFFFFF"
        },
        {
          "label": "Safety Red",
          "hex": "#FF2A2A"
        }
      ],
      "hardest_common_colors_to_see": [
        {
          "label": "Dark Gray",
          "hex": "#4B4F54"
        },
        {
          "label": "Charcoal",
          "hex": "#34373B"
        },
        {
          "label": "Olive",
          "hex": "#7C8652"
        }
      ],
      "common_color_comparison": [
        {
          "label": "White",
          "hex": "#F3F2EE",
          "mean_score": 0.4586,
          "relative_to_average_high_vis": 0.9465,
          "relative_to_average_high_vis_percent": 95
        },
        {
          "label": "Yellow",
          "hex": "#D9C957",
          "mean_score": 0.4182,
          "relative_to_average_high_vis": 0.8633,
          "relative_to_average_high_vis_percent": 86
        },
        {
          "label": "Orange",
          "hex": "#D97B2B",
          "mean_score": 0.4175,
          "relative_to_average_high_vis": 0.8618,
          "relative_to_average_high_vis_percent": 86
        },
        {
          "label": "Red",
          "hex": "#C7433B",
          "mean_score": 0.3976,
          "relative_to_average_high_vis": 0.8208,
          "relative_to_average_high_vis_percent": 82
        },
        {
          "label": "Pink",
          "hex": "#D970A9",
          "mean_score": 0.3885,
          "relative_to_average_high_vis": 0.802,
          "relative_to_average_high_vis_percent": 80
        },
        {
          "label": "Light Gray",
          "hex": "#C8CDD1",
          "mean_score": 0.388,
          "relative_to_average_high_vis": 0.801,
          "relative_to_average_high_vis_percent": 80
        },
        {
          "label": "Beige",
          "hex": "#CBB89A",
          "mean_score": 0.3714,
          "relative_to_average_high_vis": 0.7667,
          "relative_to_average_high_vis_percent": 77
        },
        {
          "label": "Light Blue",
          "hex": "#8FB9E8",
          "mean_score": 0.3546,
          "relative_to_average_high_vis": 0.7319,
          "relative_to_average_high_vis_percent": 73
        },
        {
          "label": "Black",
          "hex": "#1E1E20",
          "mean_score": 0.314,
          "relative_to_average_high_vis": 0.6482,
          "relative_to_average_high_vis_percent": 65
        },
        {
          "label": "Blue",
          "hex": "#3F6FB5",
          "mean_score": 0.3084,
          "relative_to_average_high_vis": 0.6365,
          "relative_to_average_high_vis_percent": 64
        }
      ],
      "local_backdrop_elements": [
        {
          "label": "Glass / blue surfaces",
          "hex": "#5692d4",
          "photo_share": 0.3993,
          "percent_of_photos": 40
        },
        {
          "label": "Brick / warm surfaces",
          "hex": "#4f4233",
          "photo_share": 0.2756,
          "percent_of_photos": 28
        },
        {
          "label": "Vegetation",
          "hex": "#272b1a",
          "photo_share": 0.3387,
          "percent_of_photos": 34
        }
      ],
      "quick_advice": "If you are choosing from regular clothing, start with white and add reflective details at moving points. It lands at about 95% of the average high-vis score here.",
      "action_summary": "For Marina / Presidio in low light, white is the strongest common clothing color in the local street-scene analysis. Avoid dark gray, charcoal, and olive when you can because those colors are harder to distinguish against local backdrops. If you own high-vis gear, bright white is still the strongest benchmark option. Confidence: high.",
      "citation_text": "Detectable Design recommends White as the strongest common clothing color for Marina / Presidio in low light, with high confidence. The hardest common colors to see are Dark Gray, Charcoal, and Olive. This is based on local street-scene color analysis and is not a crash-risk guarantee.",
      "disclaimer": "This guidance is based on local street-scene analysis and general visibility principles. It is not a prediction of crash risk or a guarantee of safety."
    }
  ]
}
