"紅白" meaning in Japanese

{
  "forms": [
    {
      "form": "紅白",
      "ruby": [
        [
          "紅",
          "こう"
        ],
        [
          "白",
          "はく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kōhaku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "こうはく"
      },
      "expansion": "紅(こう)白(はく) • (kōhaku)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Colors",
          "orig": "ja:Colors",
          "parents": [
            "Light",
            "Vision",
            "Energy",
            "Senses",
            "Nature",
            "Perception",
            "All topics",
            "Body",
            "Fundamental",
            "Human"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "red and white"
      ],
      "id": "en-紅白-ja-noun-M-UxCi72",
      "links": [
        [
          "red",
          "red"
        ],
        [
          "white",
          "white"
        ]
      ]
    }
  ],
  "word": "紅白"
}

{
  "forms": [
    {
      "form": "紅白",
      "ruby": [
        [
          "紅",
          "こう"
        ],
        [
          "白",
          "はく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kōhaku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "こうはく"
      },
      "expansion": "紅(こう)白(はく) • (kōhaku)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese entries with topic categories using raw markup",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with two Han script characters",
        "Pages with raw sortkeys",
        "ja:Colors"
      ],
      "glosses": [
        "red and white"
      ],
      "links": [
        [
          "red",
          "red"
        ],
        [
          "white",
          "white"
        ]
      ]
    }
  ],
  "word": "紅白"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "紅白"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "紅白",
  "trace": ""
}