Here is a pastel color palette based on your request, excluding reds and yellows:

json
{
  "palette_name": "Soft Pastels",
  "colors": [
    {
      "name": "Pastel Blue",
      "hex_code": "
          
          #A4C8E1
       "
    },
    {
      "name": "Pastel Green",
      "hex_code": "
          
          #B7E0B5
       "
    },
    {
      "name": "Pastel Lavender",
      "hex_code": "
          
          #D3B8E6
       "
    },
    {
      "name": "Pastel Mint",
      "hex_code": "
          
          #B2E6E5
       "
    }
  ]
}

This palette, named “Soft Pastels,” features soothing pastel colors that evoke a calm and gentle atmosphere. The selected colors of pastel blue, green, lavender, and mint provide a refreshing and harmonious aesthetic.

Would you like to explore more color palettes or have a specific application for these colors in mind?