Here is a color palette specifically designed for use in Excel, emphasizing clarity and readability for data presentation:

json
{
  "palette_name": "Excel Clarity",
  "colors": [
    {
      "name": "Dark Blue",
      "hex_code": "
                            
                            #003366
                        "
    },
    {
      "name": "Light Blue",
      "hex_code": "
                            
                            #66B2FF
                        "
    },
    {
      "name": "Green",
      "hex_code": "
                            
                            #4CAF50
                        "
    },
    {
      "name": "Orange",
      "hex_code": "
                            
                            #FF9800
                        "
    },
    {
      "name": "Red",
      "hex_code": "
                            
                            #F44336
                        "
    }
  ]
}

This palette uses a mix of strong and soft colors that provide good contrast and can help in differentiating data effectively while maintaining an organized look.

Would you like any further customization, or do you have any specific requirements for your Excel dashboard?