Here is a color palette inspired by a blue theme suitable for Excel:

json
{
  "palette_name": "Excel Blue Theme",
  "colors": [
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #87CEEB
       "
    },
    {
      "name": "Dodger Blue",
      "hex_code": "
          
          #1E90FF
       "
    },
    {
      "name": "Royal Blue",
      "hex_code": "
          
          #4169E1
       "
    },
    {
      "name": "Steel Blue",
      "hex_code": "
          
          #4682B4
       "
    },
    {
      "name": "Navy Blue",
      "hex_code": "
          
          #000080
       "
    }
  ]
}

This palette combines various shades of blue, from light to dark, that can be used to enhance the visual appeal of your Excel spreadsheets. Would you like to see more specific shades or perhaps some complementary colors?