Here is a color palette inspired by a “Retro Rainbow” theme, designed to stand out against black backgrounds:

json
{
  "palette_name": "Retro Rainbow",
  "colors": [
    {
      "name": "Electric Red",
      "hex_code": "
          
          #FF3D00
       "
    },
    {
      "name": "Vibrant Orange",
      "hex_code": "
          
          #FF6F00
       "
    },
    {
      "name": "Bright Yellow",
      "hex_code": "
          
          #FFD600
       "
    },
    {
      "name": "Lime Green",
      "hex_code": "
          
          #AEEA00
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #00B0FF
       "
    },
    {
      "name": "Deep Blue",
      "hex_code": "
          
          #2979FF
       "
    },
    {
      "name": "Magenta",
      "hex_code": "
          
          #D5006D
       "
    },
    {
      "name": "Purple",
      "hex_code": "
          
          #AA00FF
       "
    }
  ]
}

This palette features vibrant and bold colors that will pop beautifully against a black background, creating a retro aesthetic reminiscent of classic rainbow designs.

Would you like to explore different variations or perhaps a specific application for this palette?