Here is a secondary color palette based on your request for three colors:

json
{
  "palette_name": "Soft Harmony",
  "colors": [
    {
      "name": "Peach",
      "hex_code": "
                            
                            #ffab8d
                        "
    },
    {
      "name": "Mint Green",
      "hex_code": "
                            
                            #b2f2e6
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #a3c1e0
                        "
    }
  ]
}

This secondary palette features soft, pastel tones that harmonize well with the primary palette. The peach brings warmth, the mint green offers freshness, and the sky blue adds a calm, serene touch.

What will you be using this secondary palette for?