Here’s a color palette designed specifically for your calendar theme, featuring eight colors including a shade of brown:

json
{
  "palette_name": "Calendar Harmony",
  "colors": [
    {
      "name": "Warm Brown",
      "hex_code": "
                            
                            #7B5B29
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #4A90E2
                        "
    },
    {
      "name": "Soft Peach",
      "hex_code": "
                            
                            #F4A261
                        "
    },
    {
      "name": "Lavender",
      "hex_code": "
                            
                            #C5B4E3
                        "
    },
    {
      "name": "Olive Green",
      "hex_code": "
                            
                            #9BCA8D
                        "
    },
    {
      "name": "Coral Pink",
      "hex_code": "
                            
                            #FF6F61
                        "
    },
    {
      "name": "Cool Grey",
      "hex_code": "
                            
                            #B7B1B5
                        "
    },
    {
      "name": "Sunshine Yellow",
      "hex_code": "
                            
                            #F6EB61
                        "
    }
  ]
}

This palette combines earthy tones with vibrant colors, perfect for a visually appealing calendar. Would you like assistance with anything else, such as specific color combinations or design elements?