Here is a color palette inspired by the vibrant colors of the 1950s rainbow gradient, designed to stand out against a black background:

json
{
  "palette_name": "1950s Rainbow Gradient",
  "colors": [
    {
      "name": "Cherry Red",
      "hex_code": "
          
          #FF4C4C
       "
    },
    {
      "name": "Tangerine Orange",
      "hex_code": "
          
          #FF7F32
       "
    },
    {
      "name": "Sunshine Yellow",
      "hex_code": "
          
          #FFEA00
       "
    },
    {
      "name": "Lime Green",
      "hex_code": "
          
          #A8D600
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #00BFFF
       "
    },
    {
      "name": "Ocean Blue",
      "hex_code": "
          
          #007BFF
       "
    },
    {
      "name": "Violet Purple",
      "hex_code": "
          
          #8A2BE2
       "
    },
    {
      "name": "Hot Pink",
      "hex_code": "
          
          #FF1493
       "
    }
  ]
}

This palette features bold and bright colors reminiscent of the 1950s, perfect for a logo that will pop against a black background.

Would you like to explore different shades or perhaps add any specific colors to this palette?