Here is a color palette featuring 25 distinct colors that can be used for pie charts, represented in hex format for compatibility with most design tools:

json
{
  "palette_name": "Vibrant Pie Chart Colors",
  "colors": [
    {"name": "Crimson Red", "hex_code": "
                            
                            #DC143C
                        "},
    {"name": "Deep Sky Blue", "hex_code": "
                            
                            #00BFFF
                        "},
    {"name": "Lime Green", "hex_code": "
                            
                            #32CD32
                        "},
    {"name": "Gold", "hex_code": "
                            
                            #FFD700
                        "},
    {"name": "Dark Orange", "hex_code": "
                            
                            #FF8C00
                        "},
    {"name": "Medium Violet Red", "hex_code": "
                            
                            #C71585
                        "},
    {"name": "Dodger Blue", "hex_code": "
                            
                            #1E90FF
                        "},
    {"name": "Medium Sea Green", "hex_code": "
                            
                            #3CB371
                        "},
    {"name": "Coral", "hex_code": "
                            
                            #FF7F50
                        "},
    {"name": "Slate Blue", "hex_code": "
                            
                            #6A5ACD
                        "},
    {"name": "Orchid", "hex_code": "
                            
                            #DA70D6
                        "},
    {"name": "Tomato", "hex_code": "
                            
                            #FF6347
                        "},
    {"name": "Royal Blue", "hex_code": "
                            
                            #4169E1
                        "},
    {"name": "Sea Green", "hex_code": "
                            
                            #2E8B57
                        "},
    {"name": "Chocolate", "hex_code": "
                            
                            #D2691E
                        "},
    {"name": "Plum", "hex_code": "
                            
                            #DDA0DD
                        "},
    {"name": "Medium Turquoise", "hex_code": "
                            
                            #48D1CC
                        "},
    {"name": "Light Coral", "hex_code": "
                            
                            #F08080
                        "},
    {"name": "Slate Gray", "hex_code": "
                            
                            #708090
                        "},
    {"name": "Steel Blue", "hex_code": "
                            
                            #4682B4
                        "},
    {"name": "Dark Orchid", "hex_code": "
                            
                            #9932CC
                        "},
    {"name": "Sandy Brown", "hex_code": "
                            
                            #F4A460
                        "},
    {"name": "Light Sea Green", "hex_code": "
                            
                            #20B2AA
                        "},
    {"name": "Firebrick", "hex_code": "
                            
                            #B22222
                        "},
    {"name": "Light Goldenrod Yellow", "hex_code": "
                            
                            #FAFAD2
                        "},
    {"name": "Spring Green", "hex_code": "
                            
                            #00FF7F
                        "}
  ]
}

This vibrant color palette provides a wide range of colors that are ideal for creating visually appealing pie charts. Each color is distinct enough to help differentiate between segments.

Would you like to customize this palette further or have any specific color preferences in mind?