Here is a color palette based on your specifications:

json
{
  "palette_name": "Serene Oasis",
  "colors": [
    {
      "name": "Soft White",
      "hex_code": "
          
          #F7F9F7
       "
    },
    {
      "name": "Calm Green",
      "hex_code": "
          
          #7FAF9B
       "
    },
    {
      "name": "Deep Blue",
      "hex_code": "
          
          #2F80ED
       "
    },
    {
      "name": "Warm Beige",
      "hex_code": "
          
          #C9B28A
       "
    }
  ]
}

This palette, “Serene Oasis,” combines soft and calming colors, perfect for creating a tranquil atmosphere. The primary color is a soft white, complemented by a calm green, a deep blue for a touch of contrast, and a warm beige to add warmth.

Would you like to explore more color combinations or perhaps a specific theme?