Here’s a high-contrast color palette designed for use with black font in Excel. This palette includes bright and vivid colors to ensure maximum readability.

json
{
  "palette_name": "High Contrast Excel Palette",
  "colors": [
    {
      "name": "Bright Red",
      "hex_code": "
          
          #FF0000
       "
    },
    {
      "name": "Lime Green",
      "hex_code": "
          
          #00FF00
       "
    },
    {
      "name": "Bright Blue",
      "hex_code": "
          
          #0000FF
       "
    },
    {
      "name": "Vivid Orange",
      "hex_code": "
          
          #FFA500
       "
    },
    {
      "name": "Hot Pink",
      "hex_code": "
          
          #FF69B4
       "
    },
    {
      "name": "Bright Yellow",
      "hex_code": "
          
          #FFFF00
       "
    }
  ]
}

This palette provides vibrant colors that contrast well with black text, ensuring clear visibility and easy reading.

Do you have any specific shades in mind, or would you like to add any other colors?