Here is a vibrant 70s rainbow color palette designed for good contrast against a black background. The colors are sorted by hue and create a lively retro feel.

json
{
  "palette_name": "70s Rainbow",
  "colors": [
    {
      "name": "Red",
      "hex_code": "
          
          #FF3D00
       "
    },
    {
      "name": "Orange",
      "hex_code": "
          
          #FF9100
       "
    },
    {
      "name": "Yellow",
      "hex_code": "
          
          #FFEA00
       "
    },
    {
      "name": "Green",
      "hex_code": "
          
          #00E676
       "
    },
    {
      "name": "Cyan",
      "hex_code": "
          
          #00B0FF
       "
    },
    {
      "name": "Blue",
      "hex_code": "
          
          #2979FF
       "
    },
    {
      "name": "Indigo",
      "hex_code": "
          
          #3D5AFE
       "
    },
    {
      "name": "Violet",
      "hex_code": "
          
          #B388FF
       "
    }
  ]
}

This palette captures the essence of the 70s with bright, bold colors that stand out beautifully against a black background. Would you like to see variations of this palette or perhaps some specific applications for it?