Here’s a color palette inspired by the 1970s rainbow, designed to stand out on a black background. The colors are sorted by hue and suitable for logo design.

json
{
  "palette_name": "1970s Rainbow on Black",
  "colors": [
    {
      "name": "Red",
      "hex_code": "
          
          #FF3D00
       "
    },
    {
      "name": "Orange",
      "hex_code": "
          
          #FF6F00
       "
    },
    {
      "name": "Yellow",
      "hex_code": "
          
          #FFEA00
       "
    },
    {
      "name": "Green",
      "hex_code": "
          
          #4CAF50
       "
    },
    {
      "name": "Turquoise",
      "hex_code": "
          
          #00BFAE
       "
    },
    {
      "name": "Blue",
      "hex_code": "
          
          #2979FF
       "
    },
    {
      "name": "Indigo",
      "hex_code": "
          
          #3F51B5
       "
    },
    {
      "name": "Violet",
      "hex_code": "
          
          #AA00FF
       "
    }
  ]
}

This palette captures the vibrant essence of the 1970s rainbow while ensuring visibility against a black background. Would you like to see examples of how these colors can be applied in logo design, or do you have any other requests?