Here is a color palette inspired by the Nordic style, perfect for a calendar grid:

json
{
  "palette_name": "Nordic Calm",
  "colors": [
    {
      "name": "Ice Blue",
      "hex_code": "
          
          #A4C8E1
       "
    },
    {
      "name": "Fjord Grey",
      "hex_code": "
          
          #B7C9C7
       "
    },
    {
      "name": "Pine Green",
      "hex_code": "
          
          #3D5B6C
       "
    },
    {
      "name": "Soft White",
      "hex_code": "
          
          #F6F9F7
       "
    },
    {
      "name": "Stone Brown",
      "hex_code": "
          
          #C2B280
       "
    }
  ]
}

This palette reflects the serene and minimalist aesthetic of Nordic design, utilizing cool tones and natural colors to create a calm and inviting atmosphere suitable for a calendar grid.

Would you like to explore other styles or need help with layout suggestions?