Here is a vibrant 1970s-inspired rainbow color palette suitable for a black background, featuring 8 distinct colors sorted by hue:

json
{
  "palette_name": "1970s Rainbow",
  "colors": [
    {
      "name": "Vibrant Red",
      "hex_code": "
          
          #FF3D00
       "
    },
    {
      "name": "Bright Orange",
      "hex_code": "
          
          #FF6F00
       "
    },
    {
      "name": "Golden Yellow",
      "hex_code": "
          
          #FFC400
       "
    },
    {
      "name": "Lime Green",
      "hex_code": "
          
          #AEEA00
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #00B0FF
       "
    },
    {
      "name": "Electric Blue",
      "hex_code": "
          
          #2979FF
       "
    },
    {
      "name": "Violet",
      "hex_code": "
          
          #AA00FF
       "
    },
    {
      "name": "Magenta",
      "hex_code": "
          
          #D5006D
       "
    }
  ]
}

This palette captures the vibrant and playful essence of the 1970s, with bright hues that stand out beautifully against a black background.

Would you like to see more palettes or have any specific colors in mind?