Here’s a vibrant retro rainbow color palette designed to work beautifully against black backgrounds, featuring 8 colors that loop perfectly:

json
{
  "palette_name": "Retro Rainbow",
  "colors": [
    {
      "name": "Vibrant Red",
      "hex_code": "
          
          #FF3B30
       "
    },
    {
      "name": "Bright Orange",
      "hex_code": "
          
          #FF9500
       "
    },
    {
      "name": "Sunny Yellow",
      "hex_code": "
          
          #FFCC00
       "
    },
    {
      "name": "Electric Green",
      "hex_code": "
          
          #4CD964
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #5AC8FA
       "
    },
    {
      "name": "Deep Blue",
      "hex_code": "
          
          #007AFF
       "
    },
    {
      "name": "Vivid Purple",
      "hex_code": "
          
          #AF52DE
       "
    },
    {
      "name": "Hot Pink",
      "hex_code": "
          
          #FF2D55
       "
    }
  ]
}

This palette features bold and bright colors that create a striking contrast against black backgrounds, perfect for a retro aesthetic.

Would you like any specific applications or designs in mind for this palette?