Here is a color palette based on your request for pastel pink, pastel blue, and pastel purple:

json
{
  "palette_name": "Pastel Dreams",
  "colors": [
    {
      "name": "Pastel Pink",
      "hex_code": "
          
          #FFD1DC
       "
    },
    {
      "name": "Pastel Blue",
      "hex_code": "
          
          #A4D8E1
       "
    },
    {
      "name": "Pastel Purple",
      "hex_code": "
          
          #E1C6E1
       "
    }
  ]
}

This palette is soft and soothing, perfect for creating a calming atmosphere. The pastel pink adds warmth, the pastel blue brings a cool freshness, and the pastel purple adds a touch of whimsy.

Do you have any specific application in mind for this palette, such as for a design project or an event?