Here is the updated color palette with bright yellow and orange removed, and deep yellow and orange added:

{
  "palette_name": "Earthy Warmth with Deep Accents",
  "colors": [
    {
      "name": "Warm Beige",
      "hex_code": "
                            
                            #E6D5C3
                        "
    },
    {
      "name": "Cocoa Brown",
      "hex_code": "
                            
                            #8B5E3C
                        "
    },
    {
      "name": "Sage Green",
      "hex_code": "
                            
                            #A6B17E
                        "
    },
    {
      "name": "Emerald Green",
      "hex_code": "
                            
                            #137A5F
                        "
    },
    {
      "name": "Berry Pink",
      "hex_code": "
                            
                            #D6396D
                        "
    },
    {
      "name": "Dusty Rose",
      "hex_code": "
                            
                            #D8A39E
                        "
    },
    {
      "name": "Deep Yellow",
      "hex_code": "
                            
                            #FFB300
                        "
    },
    {
      "name": "Deep Orange",
      "hex_code": "
                            
                            #FF8C00
                        "
    }
  ]
}

This palette now features deep yellow and deep orange, providing a rich contrast to the warm earth tones. If you need any further modifications or assistance, just let me know!