"Hooker's green" meaning in English

{
  "etymology_text": "Named after botanical artist William Hooker (1779–1832), who created it for illustrating leaves.",
  "forms": [
    {
      "form": "Hooker's greens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "Hooker's green (countable and uncountable, plural Hooker's greens)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A dark green pigment made by mixing Prussian blue and gamboge."
      ],
      "id": "en-Hooker's_green-en-noun-cQscp7Lt",
      "links": [
        [
          "Prussian blue",
          "Prussian blue"
        ],
        [
          "gamboge",
          "gamboge"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "Hooker's green"
}

{
  "etymology_text": "Named after botanical artist William Hooker (1779–1832), who created it for illustrating leaves.",
  "forms": [
    {
      "form": "Hooker's greens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "Hooker's green (countable and uncountable, plural Hooker's greens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns"
      ],
      "glosses": [
        "A dark green pigment made by mixing Prussian blue and gamboge."
      ],
      "links": [
        [
          "Prussian blue",
          "Prussian blue"
        ],
        [
          "gamboge",
          "gamboge"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "Hooker's green"
}