Here’s a pastel color palette tailored for your needs, including a red tone and a seafood green, along with darker contrasting tones that are text-friendly.

json
{
  "palette_name": "Pastel Seafood and Red",
  "colors": [
    {
      "name": "Pastel Red",
      "hex_code": "
          
          #FF6F61
       "
    },
    {
      "name": "Pastel Green",
      "hex_code": "
          
          #A8E6CF
       "
    },
    {
      "name": "Pastel Blue",
      "hex_code": "
          
          #B2C8E4
       "
    },
    {
      "name": "Pastel Yellow",
      "hex_code": "
          
          #FFE5B4
       "
    },
    {
      "name": "Pastel Lavender",
      "hex_code": "
          
          #E1B7E1
       "
    },
    {
      "name": "Seafood Green",
      "hex_code": "
          
          #009B77
       "
    },
    {
      "name": "Pastel Peach",
      "hex_code": "
          
          #FFDAB9
       "
    },
    {
      "name": "Pastel Coral",
      "hex_code": "
          
          #FFB6C1
       "
    },
    {
      "name": "Darker Red",
      "hex_code": "
          
          #C74B3A
       "
    },
    {
      "name": "Darker Seafood Green",
      "hex_code": "
          
          #007B5F
       "
    }
  ]
}

Palette Description:

This palette features a mix of soft pastel colors alongside a vibrant seafood green and a warm pastel red. The darker tones provide contrast for text readability, ensuring that your Excel sheets remain visually appealing while being functional.

Would you like any additional colors or modifications to this palette?