Here’s a pastel color palette that would be suitable for a business-like theme in Microsoft Excel:

json
{
  "palette_name": "Pastel Business",
  "colors": [
    {
      "name": "Pastel Blue",
      "hex_code": "
          
          #A4C8E1
       "
    },
    {
      "name": "Pastel Green",
      "hex_code": "
          
          #B7E1B1
       "
    },
    {
      "name": "Pastel Yellow",
      "hex_code": "
          
          #F9EBAF
       "
    },
    {
      "name": "Pastel Pink",
      "hex_code": "
          
          #F1B2C1
       "
    },
    {
      "name": "Pastel Lavender",
      "hex_code": "
          
          #D4C3E1
       "
    }
  ]
}

This pastel palette combines soft and professional colors that can enhance the readability and aesthetic of your Excel spreadsheets.

Would you like any additional colors or specific shades?