Here’s a color palette suitable for a Microsoft Access data entry form with a light background, featuring three accent colors:

json
{
  "palette_name": "Light Access Theme",
  "colors": [
    {
      "name": "Light Gray",
      "hex_code": "
          
          #F5F5F5
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #87CEEB
       "
    },
    {
      "name": "Soft Green",
      "hex_code": "
          
          #98FB98
       "
    },
    {
      "name": "Peach",
      "hex_code": "
          
          #FFDAB9
       "
    }
  ]
}

This palette combines a light gray background with soft accent colors, ensuring readability and a pleasant aesthetic for data entry forms. Would you like to explore variations of this palette or need suggestions for specific elements in your form?