Here is a color palette inspired by a 1950’s rainbow gradient that works well on a black background:

json
{
  "palette_name": "1950's Rainbow Gradient",
  "colors": [
    {
      "name": "Crimson Red",
      "hex_code": "
          
          #C72C41
       "
    },
    {
      "name": "Tangerine Orange",
      "hex_code": "
          
          #E86A2A
       "
    },
    {
      "name": "Sunshine Yellow",
      "hex_code": "
          
          #F8D26B
       "
    },
    {
      "name": "Lime Green",
      "hex_code": "
          
          #A8D65D
       "
    },
    {
      "name": "Turquoise Blue",
      "hex_code": "
          
          #3BB9C8
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #7EC6E0
       "
    },
    {
      "name": "Lavender Purple",
      "hex_code": "
          
          #A76D9A
       "
    },
    {
      "name": "Violet",
      "hex_code": "
          
          #9B59B6
       "
    }
  ]
}

This palette features vibrant colors that were popular in the 1950s, creating a nostalgic and cheerful gradient effect against a black background.

Would you like to know how to use these colors effectively in your logo, or do you have any specific elements in mind for the design?