Here’s a vibrant color palette with 7 distinct colors that are neither too dark nor too light, perfect for use in an Excel diagram:

json
{
  "palette_name": "Vibrant Distinct Colors",
  "colors": [
    {
      "name": "Sunset Orange",
      "hex_code": "
                            
                            #FF6F30
                        "
    },
    {
      "name": "Lime Green",
      "hex_code": "
                            
                            #A8D300
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #00A3E0
                        "
    },
    {
      "name": "Vibrant Yellow",
      "hex_code": "
                            
                            #F6EB61
                        "
    },
    {
      "name": "Cerulean Blue",
      "hex_code": "
                            
                            #007BFF
                        "
    },
    {
      "name": "Fuchsia Pink",
      "hex_code": "
                            
                            #D5006D
                        "
    },
    {
      "name": "Electric Purple",
      "hex_code": "
                            
                            #A100E6
                        "
    }
  ]
}

This palette includes a range of vibrant colors that are distinct from each other, making them ideal for visual differentiation in your diagrams.

Do you have any specific preferences for how you’d like to use these colors, or any other requests regarding your diagram?