"Columbia blue" meaning in English

{
  "etymology_text": "Named after Columbia University, where it was the official hue of the Philolexian Society, the university's oldest student organization.",
  "head_templates": [
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      "args": {
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      },
      "expansion": "Columbia blue (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "source": "w"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Columbia blue:"
        }
      ],
      "glosses": [
        "A shade of light blue."
      ],
      "id": "en-Columbia_blue-en-noun-e-YDIp5Q",
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "Columbia blue"
      ]
    }
  ],
  "word": "Columbia blue"
}

{
  "etymology_text": "Named after Columbia University, where it was the official hue of the Philolexian Society, the university's oldest student organization.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "Columbia blue (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "Columbia blue:"
        }
      ],
      "glosses": [
        "A shade of light blue."
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "Columbia blue"
      ]
    }
  ],
  "word": "Columbia blue"
}