Based on your query for a color palette that transitions from white to black to blue-gray and then transforms into a vibrant rainbow, here’s a curated color palette:

json
{
  "palette_name": "White to Rainbow Transition",
  "colors": [
    {
      "name": "White",
      "hex_code": "
                            
                            #FFFFFF
                        "
    },
    {
      "name": "Light Gray",
      "hex_code": "
                            
                            #D3D3D3
                        "
    },
    {
      "name": "Gray",
      "hex_code": "
                            
                            #A9A9A9
                        "
    },
    {
      "name": "Blue Gray",
      "hex_code": "
                            
                            #6699CC
                        "
    },
    {
      "name": "Black",
      "hex_code": "
                            
                            #000000
                        "
    },
    {
      "name": "Red",
      "hex_code": "
                            
                            #FF0000
                        "
    },
    {
      "name": "Orange",
      "hex_code": "
                            
                            #FFA500
                        "
    },
    {
      "name": "Yellow",
      "hex_code": "
                            
                            #FFFF00
                        "
    },
    {
      "name": "Green",
      "hex_code": "
                            
                            #008000
                        "
    },
    {
      "name": "Blue",
      "hex_code": "
                            
                            #0000FF
                        "
    },
    {
      "name": "Indigo",
      "hex_code": "
                            
                            #4B0082
                        "
    },
    {
      "name": "Violet",
      "hex_code": "
                            
                            #EE82EE
                        "
    }
  ]
}

This palette starts with white, transitions through shades of gray and blue-gray, moves to black, and then explodes into a vibrant rainbow of colors.

Would you like any further modifications or additional palettes?