Here’s a comprehensive 40-color palette grouped by primary colors, designed for use in Excel. This palette features a wide range of hues that can be utilized for various purposes, including data visualization and highlighting key information.

json
{
  "palette_name": "Primary Color Spectrum",
  "colors": [
    {
      "name": "Red",
      "hex_code": "
                            
                            #FF0000
                        "
    },
    {
      "name": "Dark Red",
      "hex_code": "
                            
                            #800000
                        "
    },
    {
      "name": "Light Coral",
      "hex_code": "
                            
                            #F08080
                        "
    },
    {
      "name": "Tomato",
      "hex_code": "
                            
                            #FF6347
                        "
    },
    {
      "name": "Crimson",
      "hex_code": "
                            
                            #DC143C
                        "
    },
    {
      "name": "Salmon",
      "hex_code": "
                            
                            #FA8072
                        "
    },
    {
      "name": "Pink",
      "hex_code": "
                            
                            #FFC0CB
                        "
    },
    {
      "name": "Peach",
      "hex_code": "
                            
                            #FFDAB9
                        "
    },
    {
      "name": "Orange",
      "hex_code": "
                            
                            #FFA500
                        "
    },
    {
      "name": "Dark Orange",
      "hex_code": "
                            
                            #FF8C00
                        "
    },
    {
      "name": "Light Orange",
      "hex_code": "
                            
                            #FFE4B5
                        "
    },
    {
      "name": "Gold",
      "hex_code": "
                            
                            #FFD700
                        "
    },
    {
      "name": "Yellow",
      "hex_code": "
                            
                            #FFFF00
                        "
    },
    {
      "name": "Light Yellow",
      "hex_code": "
                            
                            #FFFFE0
                        "
    },
    {
      "name": "Lime",
      "hex_code": "
                            
                            #00FF00
                        "
    },
    {
      "name": "Forest Green",
      "hex_code": "
                            
                            #228B22
                        "
    },
    {
      "name": "Sea Green",
      "hex_code": "
                            
                            #2E8B57
                        "
    },
    {
      "name": "Dark Green",
      "hex_code": "
                            
                            #006400
                        "
    },
    {
      "name": "Turquoise",
      "hex_code": "
                            
                            #40E0D0
                        "
    },
    {
      "name": "Cyan",
      "hex_code": "
                            
                            #00FFFF
                        "
    },
    {
      "name": "Light Cyan",
      "hex_code": "
                            
                            #E0FFFF
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #87CEEB
                        "
    },
    {
      "name": "Royal Blue",
      "hex_code": "
                            
                            #4169E1
                        "
    },
    {
      "name": "Dodger Blue",
      "hex_code": "
                            
                            #1E90FF
                        "
    },
    {
      "name": "Dark Blue",
      "hex_code": "
                            
                            #00008B
                        "
    },
    {
      "name": "Light Blue",
      "hex_code": "
                            
                            #ADD8E6
                        "
    },
    {
      "name": "Slate Blue",
      "hex_code": "
                            
                            #6A5ACD
                        "
    },
    {
      "name": "Purple",
      "hex_code": "
                            
                            #800080
                        "
    },
    {
      "name": "Dark Violet",
      "hex_code": "
                            
                            #9400D3
                        "
    },
    {
      "name": "Medium Orchid",
      "hex_code": "
                            
                            #BA55D3
                        "
    },
    {
      "name": "Lavender",
      "hex_code": "
                            
                            #E6E6FA
                        "
    },
    {
      "name": "Pink",
      "hex_code": "
                            
                            #FF69B4
                        "
    },
    {
      "name": "Misty Rose",
      "hex_code": "
                            
                            #FFE4E1
                        "
    },
    {
      "name": "Beige",
      "hex_code": "
                            
                            #F5F5DC
                        "
    },
    {
      "name": "Light Gray",
      "hex_code": "
                            
                            #D3D3D3
                        "
    },
    {
      "name": "Gray",
      "hex_code": "
                            
                            #808080
                        "
    },
    {
      "name": "Dark Gray",
      "hex_code": "
                            
                            #A9A9A9
                        "
    },
    {
      "name": "Black",
      "hex_code": "
                            
                            #000000
                        "
    },
    {
      "name": "White",
      "hex_code": "
                            
                            #FFFFFF
                        "
    }
  ]
}

This palette provides a broad spectrum of colors that can be utilized effectively to categorize and differentiate data in your Excel sheets.

Would you like to explore how to implement this palette in Excel, or do you have any other requests?