Here is a pastel color palette that includes 10 colors along with their respective lighter and darker shades:

json
{
  "palette_name": "Pastel Bliss",
  "colors": [
    {
      "name": "Pastel Pink",
      "hex_code": "
                            
                            #FFB3BA
                        "
    },
    {
      "name": "Pastel Blue",
      "hex_code": "
                            
                            #A3C1DA
                        "
    },
    {
      "name": "Pastel Yellow",
      "hex_code": "
                            
                            #FFEBB3
                        "
    },
    {
      "name": "Pastel Green",
      "hex_code": "
                            
                            #B3FFB3
                        "
    },
    {
      "name": "Pastel Lavender",
      "hex_code": "
                            
                            #D1C6E7
                        "
    },
    {
      "name": "Pastel Peach",
      "hex_code": "
                            
                            #FFD1B3
                        "
    },
    {
      "name": "Pastel Mint",
      "hex_code": "
                            
                            #B3FFE0
                        "
    },
    {
      "name": "Pastel Coral",
      "hex_code": "
                            
                            #FFB3A1
                        "
    },
    {
      "name": "Pastel Lilac",
      "hex_code": "
                            
                            #E5B3E5
                        "
    },
    {
      "name": "Pastel Sky",
      "hex_code": "
                            
                            #A3D9FF
                        "
    }
  ]
}

This palette features soft and soothing colors that work harmoniously together, perfect for creating an aesthetically pleasing Google Sheet.

Would you like more information on how to apply these colors in your Google Sheet, or do you have any specific color preferences or adjustments in mind?