Here’s a slightly darker color palette that still retains a professional look while moving away from the lighter pastels:

json
{
  "palette_name": "Elegant Professional",
  "colors": [
    {
      "name": "Steel Blue",
      "hex_code": "
          
          #4A90E2
       "
    },
    {
      "name": "Sage Green",
      "hex_code": "
          
          #A3C09A
       "
    },
    {
      "name": "Goldenrod",
      "hex_code": "
          
          #D6B354
       "
    },
    {
      "name": "Rosewood",
      "hex_code": "
          
          #D28F9E
       "
    },
    {
      "name": "Lavender Gray",
      "hex_code": "
          
          #B5A8D1
       "
    },
    {
      "name": "Terra Cotta",
      "hex_code": "
          
          #C97C6D
       "
    },
    {
      "name": "Mint Green",
      "hex_code": "
          
          #7ED957
       "
    },
    {
      "name": "Coral Pink",
      "hex_code": "
          
          #FF6F61
       "
    }
  ]
}

This palette features richer tones while still maintaining a professional vibe, making it suitable for Excel presentations or reports.

Would you like to adjust any specific colors or need more options?