Here’s an updated color palette that incorporates lighter tones for your project tracking calendar spreadsheet. The lighter shades will enhance readability and provide a refreshing look.

json
{
  "palette_name": "Project Tracker Palette with Light Tones",
  "colors": [
    {
      "name": "Light Sky Blue",
      "hex_code": "
          
          #87CEEB
       "
    },
    {
      "name": "Pale Lime Green",
      "hex_code": "
          
          #B2FF66
       "
    },
    {
      "name": "Light Coral",
      "hex_code": "
          
          #FF7F50
       "
    },
    {
      "name": "Light Golden Yellow",
      "hex_code": "
          
          #FAFAD2
       "
    },
    {
      "name": "Light Slate Gray",
      "hex_code": "
          
          #B0C4DE
       "
    }
  ]
}

This updated palette includes softer, lighter tones that will help maintain clarity while making your spreadsheet visually appealing. Would you like to add or modify any specific colors further, or do you need assistance with anything else?