Here is a color palette inspired by a pastel theme suitable for a Google Calendar, featuring 2 shades of green, 2 shades of blue, and additional pastel colors.

json
{
  "palette_name": "Pastel Google Calendar",
  "colors": [
    {
      "name": "Pastel Green 1",
      "hex_code": "
          
          #A8E6CF
       "
    },
    {
      "name": "Pastel Green 2",
      "hex_code": "
          
          #B9FBC0
       "
    },
    {
      "name": "Pastel Blue 1",
      "hex_code": "
          
          #B2E0F8
       "
    },
    {
      "name": "Pastel Blue 2",
      "hex_code": "
          
          #A0D0E0
       "
    },
    {
      "name": "Pastel Pink",
      "hex_code": "
          
          #FFABAB
       "
    },
    {
      "name": "Pastel Yellow",
      "hex_code": "
          
          #FFDAAB
       "
    },
    {
      "name": "Pastel Lavender",
      "hex_code": "
          
          #D6C3E5
       "
    }
  ]
}

This palette combines soft, calming colors that can help differentiate events while maintaining a visually pleasing aesthetic. Would you like to explore more colors or perhaps a different theme?