Here’s an expanded color palette with 10 colors, still avoiding red and green, suitable for your spreadsheet categories.

json
{
  "palette_name": "Extended Category Colors",
  "colors": [
    {
      "name": "Ocean Blue",
      "hex_code": "
                            
                            #0077B3
                        "
    },
    {
      "name": "Sunshine Yellow",
      "hex_code": "
                            
                            #F6EB61
                        "
    },
    {
      "name": "Violet Purple",
      "hex_code": "
                            
                            #8A2BE2
                        "
    },
    {
      "name": "Soft Gray",
      "hex_code": "
                            
                            #D3D3D3
                        "
    },
    {
      "name": "Coral Pink",
      "hex_code": "
                            
                            #FF6F61
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #87CEEB
                        "
    },
    {
      "name": "Peach Orange",
      "hex_code": "
                            
                            #FFDAB9
                        "
    },
    {
      "name": "Lavender",
      "hex_code": "
                            
                            #E6E6FA
                        "
    },
    {
      "name": "Steel Blue",
      "hex_code": "
                            
                            #4682B4
                        "
    },
    {
      "name": "Goldenrod",
      "hex_code": "
                            
                            #DAA520
                        "
    }
  ]
}

This palette provides a wide variety of colors to help you distinguish between different categories effectively.

Do you need any further adjustments or perhaps some suggestions on how to assign these colors to categories?