Based on your description of a seafood restaurant with a local flair and a sailor theme, here is a color palette that evokes the seaside atmosphere while maintaining a sophisticated look without the use of accent colors like red and coral.

json
{
  "palette_name": "Seaside Sailor",
  "colors": [
    {
      "name": "Ocean Blue",
      "hex_code": "
          
          #005A8C
       "
    },
    {
      "name": "Sandy Beige",
      "hex_code": "
          
          #D8B384
       "
    },
    {
      "name": "Seafoam Green",
      "hex_code": "
          
          #A3D9D4
       "
    },
    {
      "name": "Driftwood Brown",
      "hex_code": "
          
          #7D6A5E
       "
    },
    {
      "name": "Cloudy Gray",
      "hex_code": "
          
          #B0B4B1
       "
    }
  ]
}

This color palette captures the essence of a charming seaside town with earthy tones and cool hues that reflect the marine environment.

Would you like any additional suggestions for your restaurant’s branding, such as typography or imagery?