Here is a color palette suitable for a business flyer:

json
{
  "palette_name": "Professional Business",
  "colors": [
    {
      "name": "Navy Blue",
      "hex_code": "
          
          #003366
       "
    },
    {
      "name": "Charcoal Gray",
      "hex_code": "
          
          #4B4B4B
       "
    },
    {
      "name": "White",
      "hex_code": "
          
          #FFFFFF
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #87CEEB
       "
    },
    {
      "name": "Emerald Green",
      "hex_code": "
          
          #50C878
       "
    }
  ]
}

This palette combines a professional and clean aesthetic with navy blue and charcoal gray as the dominant colors, complemented by sky blue and emerald green for a touch of freshness. The white serves as a neutral background to enhance readability.

Would you like to know more about how to effectively use these colors in your flyer design?