Here’s the updated pastel rainbow palette for Excel with the requested modifications to the green, teal, and purple colors to make them less intense:

json
{
  "palette_name": "Updated Pastel Rainbow Palette",
  "colors": [
    {
      "name": "Light Pink",
      "hex_code": "
          
          #FFCCDA
       "
    },
    {
      "name": "Pastel Red",
      "hex_code": "
          
          #FFB3B3
       "
    },
    {
      "name": "Pastel Orange",
      "hex_code": "
          
          #FFCCB3
       "
    },
    {
      "name": "Pastel Yellow",
      "hex_code": "
          
          #FFFFB3
       "
    },
    {
      "name": "Pastel Green",
      "hex_code": "
          
          #A8E1A8
       "  // softened green
    },
    {
      "name": "Pastel Teal",
      "hex_code": "
          
          #A8E1E1
       "  // softened teal
    },
    {
      "name": "Pastel Blue",
      "hex_code": "
          
          #B3CFFF
       "
    },
    {
      "name": "Pastel Lavender",
      "hex_code": "
          
          #D1B3FF
       "
    },
    {
      "name": "Pastel Purple",
      "hex_code": "
          
          #D5A9E0
       "  // softened purple
    },
    {
      "name": "Pastel Pink",
      "hex_code": "
          
          #FFB3E1
       "
    },
    {
      "name": "Pastel Mint",
      "hex_code": "
          
          #B3FFE0
       "
    }
  ]
}

This updated palette retains the overall theme of pastel colors while ensuring that the green, teal, and purple shades are less intense and more subdued. Would you like to make any more adjustments or explore further color options?