Here’s a vibrant and harmonious color palette featuring light colors that work well together for cell shading in Excel, particularly behind black text:

json
{
  "palette_name": "Light Rainbow",
  "colors": [
    {
      "name": "Light Pink",
      "hex_code": "
                            
                            #FFB6C1
                        "
    },
    {
      "name": "Light Coral",
      "hex_code": "
                            
                            #F08080
                        "
    },
    {
      "name": "Light Yellow",
      "hex_code": "
                            
                            #FFFFE0
                        "
    },
    {
      "name": "Light Green",
      "hex_code": "
                            
                            #90EE90
                        "
    },
    {
      "name": "Light Sky Blue",
      "hex_code": "
                            
                            #87CEFA
                        "
    },
    {
      "name": "Light Blue",
      "hex_code": "
                            
                            #ADD8E6
                        "
    },
    {
      "name": "Lavender",
      "hex_code": "
                            
                            #E6E6FA
                        "
    },
    {
      "name": "Peach Puff",
      "hex_code": "
                            
                            #FFDAB9
                        "
    },
    {
      "name": "Misty Rose",
      "hex_code": "
                            
                            #FFE4E1
                        "
    },
    {
      "name": "Light Goldenrod Yellow",
      "hex_code": "
                            
                            #FAFAD2
                        "
    }
  ]
}

This “Light Rainbow” palette features a selection of soft and light colors that will provide a nice backdrop for black text, ensuring readability while adding a cheerful touch to your Excel sheets.

Would you like any additional colors or specific shades adjusted?