Here’s the revised color palette with the mint green and golden yellow replaced by two new colors, keeping the overall professional theme intact.

json
{
  "palette_name": "Professional Coastal Revised",
  "colors": [
    {
      "name": "Deep Ocean Blue",
      "hex_code": "
          
          #004085
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #7DB3E3
       "
    },
    {
      "name": "Accent Orange",
      "hex_code": "
          
          #FF8C00
       "
    },
    {
      "name": "Soft Light Gray",
      "hex_code": "
          
          #E1E8ED
       "
    },
    {
      "name": "Pale Blue",
      "hex_code": "
          
          #D0E7F0
       "
    },
    {
      "name": "White Smoke",
      "hex_code": "
          
          #F5F5F5
       "
    },
    {
      "name": "Charcoal Gray",
      "hex_code": "
          
          #333333
       "
    },
    {
      "name": "Dusty Rose",
      "hex_code": "
          
          #D19AAB
       "
    },
    {
      "name": "Slate Blue",
      "hex_code": "
          
          #6A5ACD
       "
    }
  ]
}

This updated palette, “Professional Coastal Revised,” substitutes mint green with a soft dusty rose for a touch of warmth, and golden yellow with slate blue for a sophisticated accent.

Would you like any further adjustments or suggestions on how to implement this palette in your design?