"Roslyn blue" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "ref": "1921, Bulletin of the Garden Club of America, numbers 1-8, page 141:",
          "text": "My list of Hyacinths is too incomplete even to mention, but I have found that some unnamed varieties in my garden were a soft bluish-violet, Wistaria violet, Forget-me-not blue, and deep Roslyn blue.",
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      "glosses": [
        "A purplish-blue color."
      ],
      "id": "en-Roslyn_blue-en-noun-9hOrcsPz",
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          "purplish",
          "purplish"
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          "color",
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      "tags": [
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  "word": "Roslyn blue"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "ref": "1921, Bulletin of the Garden Club of America, numbers 1-8, page 141:",
          "text": "My list of Hyacinths is too incomplete even to mention, but I have found that some unnamed varieties in my garden were a soft bluish-violet, Wistaria violet, Forget-me-not blue, and deep Roslyn blue.",
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      ],
      "glosses": [
        "A purplish-blue color."
      ],
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  "word": "Roslyn blue"
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