Here is a vibrant 70s rainbow color palette that features 8 colors designed for high visibility against a black background.

json
{
  "palette_name": "70s Rainbow",
  "colors": [
    {
      "name": "Sunshine Yellow",
      "hex_code": "
          
          #F6EB61
       "
    },
    {
      "name": "Bright Orange",
      "hex_code": "
          
          #FF6F20
       "
    },
    {
      "name": "Hot Pink",
      "hex_code": "
          
          #FF2D55
       "
    },
    {
      "name": "Electric Purple",
      "hex_code": "
          
          #A445B2
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #00A7E1
       "
    },
    {
      "name": "Lime Green",
      "hex_code": "
          
          #A8D300
       "
    },
    {
      "name": "Crimson Red",
      "hex_code": "
          
          #FF3B30
       "
    },
    {
      "name": "Bright Turquoise",
      "hex_code": "
          
          #00B2A9
       "
    }
  ]
}

This palette captures the essence of the 70s with bold and bright colors that contrast well against a black background, making it visually striking.

Would you like to know more about how to use this palette, or do you have any other requests?