"salt-green" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "salt-green (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "c. 1595–1596 (date written), William Shakespeare, “A Midsommer Nights Dreame”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, (please specify the act number in uppercase Roman numerals, and the scene number in lowercase Roman numerals):",
          "text": "Even till the eastern gate, all fiery-red, / Opening on Neptune with fair blessed beams, / Turns into yellow gold his salt-green streams.",
          "type": "quote"
        }
      ],
      "glosses": [
        "sea green"
      ],
      "id": "en-salt-green-en-adj-UVr5YB7R",
      "links": [
        [
          "sea green",
          "sea green"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "salt-green"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "salt-green (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms first attested in Shakespeare",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "c. 1595–1596 (date written), William Shakespeare, “A Midsommer Nights Dreame”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, (please specify the act number in uppercase Roman numerals, and the scene number in lowercase Roman numerals):",
          "text": "Even till the eastern gate, all fiery-red, / Opening on Neptune with fair blessed beams, / Turns into yellow gold his salt-green streams.",
          "type": "quote"
        }
      ],
      "glosses": [
        "sea green"
      ],
      "links": [
        [
          "sea green",
          "sea green"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "salt-green"
}