Here is a 100-color palette based on the colors black, silver, and gold, featuring various shades of each color.

json
{
  "palette_name": "Shades of Black, Silver, and Gold",
  "colors": [
    {"name": "Black", "hex_code": "
                            
                            #000000
                        "},
    {"name": "Charcoal Black", "hex_code": "
                            
                            #333333
                        "},
    {"name": "Jet Black", "hex_code": "
                            
                            #1A1A1A
                        "},
    {"name": "Onyx", "hex_code": "
                            
                            #353839
                        "},
    {"name": "Rich Black", "hex_code": "
                            
                            #1C1C1C
                        "},
    {"name": "Dark Gray", "hex_code": "
                            
                            #A9A9A9
                        "},
    {"name": "Silver", "hex_code": "
                            
                            #C0C0C0
                        "},
    {"name": "Light Silver", "hex_code": "
                            
                            #D7D9D7
                        "},
    {"name": "Pale Silver", "hex_code": "
                            
                            #E6E6E6
                        "},
    {"name": "Metallic Silver", "hex_code": "
                            
                            #AFAFAF
                        "},
    {"name": "Platinum", "hex_code": "
                            
                            #E5E4E2
                        "},
    {"name": "Gold", "hex_code": "
                            
                            #FFD700
                        "},
    {"name": "Light Gold", "hex_code": "
                            
                            #FFF8DC
                        "},
    {"name": "Old Gold", "hex_code": "
                            
                            #CFB53B
                        "},
    {"name": "Goldenrod", "hex_code": "
                            
                            #DAA520
                        "},
    {"name": "Rose Gold", "hex_code": "
                            
                            #B76E79
                        "},
    {"name": "Dark Gold", "hex_code": "
                            
                            #AA8D00
                        "},
    {"name": "Bright Gold", "hex_code": "
                            
                            #FFDA44
                        "},
    {"name": "Deep Gold", "hex_code": "
                            
                            #B8860B
                        "},
    {"name": "Black Olive", "hex_code": "
                            
                            #3B3C36
                        "},
    {"name": "Dark Slate Gray", "hex_code": "
                            
                            #2F4F4F
                        "},
    {"name": "Steel Gray", "hex_code": "
                            
                            #4682B4
                        "},
    {"name": "Dark Silver", "hex_code": "
                            
                            #A8A9AD
                        "},
    {"name": "Ash Gray", "hex_code": "
                            
                            #B2BEB5
                        "},
    {"name": "Gainsboro", "hex_code": "
                            
                            #DCDCDC
                        "},
    {"name": "Light Gray", "hex_code": "
                            
                            #D3D3D3
                        "},
    {"name": "Dim Gray", "hex_code": "
                            
                            #696969
                        "},
    {"name": "Gunmetal", "hex_code": "
                            
                            #2a3439
                        "},
    {"name": "Smoke", "hex_code": "
                            
                            #7E7B7A
                        "},
    {"name": "Mahogany", "hex_code": "
                            
                            #C04000
                        "},
    {"name": "Chocolate", "hex_code": "
                            
                            #7B3F00
                        "},
    {"name": "Copper", "hex_code": "
                            
                            #B87333
                        "},
    {"name": "Honey Gold", "hex_code": "
                            
                            #FFC30B
                        "},
    {"name": "Golden Yellow", "hex_code": "
                            
                            #FFDF00
                        "},
    {"name": "Sunset Gold", "hex_code": "
                            
                            #FEC200
                        "},
    {"name": "Bright Silver", "hex_code": "
                            
                            #C0C0C0
                        "},
    {"name": "Pearl", "hex_code": "
                            
                            #F0EAD6
                        "},
    {"name": "Antique Gold", "hex_code": "
                            
                            #C68800
                        "},
    {"name": "Beige Gold", "hex_code": "
                            
                            #F5F5DC
                        "},
    {"name": "Misty Black", "hex_code": "
                            
                            #0B0B0B
                        "},
    {"name": "Slate Black", "hex_code": "
                            
                            #121212
                        "},
    {"name": "Fossil", "hex_code": "
                            
                            #6B6B6B
                        "},
    {"name": "Chrome Silver", "hex_code": "
                            
                            #B0C4DE
                        "},
    {"name": "Aluminum", "hex_code": "
                            
                            #A7A8AA
                        "},
    {"name": "Brushed Gold", "hex_code": "
                            
                            #B89B6A
                        "},
    {"name": "Dark Olive", "hex_code": "
                            
                            #556B2F
                        "},
    {"name": "Shadow", "hex_code": "
                            
                            #C6C6C6
                        "},
    {"name": "Metallic Black", "hex_code": "
                            
                            #1F1F1F
                        "},
    {"name": "Titanium", "hex_code": "
                            
                            #8B8B8B
                        "},
    {"name": "Champagne", "hex_code": "
                            
                            #F7E7CE
                        "},
    {"name": "Burnished Gold", "hex_code": "
                            
                            #CDAA7D
                        "},
    {"name": "Satin Silver", "hex_code": "
                            
                            #D8D8D8
                        "},
    {"name": "Light Charcoal", "hex_code": "
                            
                            #4B4B4B
                        "},
    {"name": "Bright Charcoal", "hex_code": "
                            
                            #666666
                        "},
    {"name": "Raven", "hex_code": "
                            
                            #2D2325
                        "},
    {"name": "Gunmetal Gray", "hex_code": "
                            
                            #4A4E69
                        "},
    {"name": "Shimmer Silver", "hex_code": "
                            
                            #E6E8E6
                        "},
    {"name": "Golden Beige", "hex_code": "
                            
                            #F5E99B
                        "},
    {"name": "Sand", "hex_code": "
                            
                            #C2B280
                        "},
    {"name": "Cinder", "hex_code": "
                            
                            #7E7F7D
                        "},
    {"name": "Glimmering Gold", "hex_code": "
                            
                            #F1C40F
                        "},
    {"name": "Cocoa Brown", "hex_code": "
                            
                            #5B3A29
                        "},
    {"name": "Sable", "hex_code": "
                            
                            #5B3A29
                        "},
    {"name": "Light Gunmetal", "hex_code": "
                            
                            #4D5B73
                        "},
    {"name": "Graphite", "hex_code": "
                            
                            #A3A8A3
                        "},
    {"name": "Old Silver", "hex_code": "
                            
                            #848482
                        "},
    {"name": "Bright Onyx", "hex_code": "
                            
                            #0C0C0C
                        "},
    {"name": "Sunlight Gold", "hex_code": "
                            
                            #FFD700
                        "},
    {"name": "Glistening Silver", "hex_code": "
                            
                            #D9D9D9
                        "},
    {"name": "Deep Charcoal", "hex_code": "
                            
                            #4A4843
                        "},
    {"name": "Dark Bronze", "hex_code": "
                            
                            #4E3B31
                        "},
    {"name": "Metallic Bronze", "hex_code": "
                            
                            #8C7853
                        "},
    {"name": "Glinting Gold", "hex_code": "
                            
                            #FFD700
                        "},
    {"name": "Frosted Silver", "hex_code": "
                            
                            #C9C9C9
                        "},
    {"name": "Dusky Black", "hex_code": "
                            
                            #404040
                        "},
    {"name": "Black Pearl", "hex_code": "
                            
                            #3B3C36
                        "},
    {"name": "Bright Gold Leaf", "hex_code": "
                            
                            #F4D03F
                        "},
    {"name": "Soft Silver", "hex_code": "
                            
                            #EAEAEA
                        "},
    {"name": "Mellow Gold", "hex_code": "
                            
                            #E7CBA8
                        "},
    {"name": "Shiny Charcoal", "hex_code": "
                            
                            #5A5A5A
                        "},
    {"name": "Black Truffle", "hex_code": "
                            
                            #3C3A34
                        "},
    {"name": "Golden Maple", "hex_code": "
                            
                            #FFB300
                        "},
    {"name": "Bright Graphite", "hex_code": "
                            
                            #757575
                        "},
    {"name": "Rich Gold", "hex_code": "
                            
                            #B49A6A
                        "},
    {"name": "Light Black", "hex_code": "
                            
                            #4F4F4F
                        "},
    {"name": "Golden Champagne", "hex_code": "
                            
                            #E7B94D
                        "},
    {"name": "Lunar Silver", "hex_code": "
                            
                            #F0F0F0
                        "},
    {"name": "Black Currant", "hex_code": "
                            
                            #4A1C2A
                        "},
    {"name": "Dusk Silver", "hex_code": "
                            
                            #D3D3D3
                        "},
    {"name": "Deep Bronze", "hex_code": "
                            
                            #8C7853
                        "},
    {"name": "Golden Sunset", "hex_code": "
                            
                            #FFCC00
                        "},
    {"name": "Glinting Silver", "hex_code": "
                            
                            #D9D9D9
                        "},
    {"name": "Midnight Black", "hex_code": "
                            
                            #191919
                        "},
    {"name": "Charcoal Gold", "hex_code": "
                            
                            #7C7C3A
                        "},
    {"name": "Glimmering Silver", "hex_code": "
                            
                            #D1D1D1
                        "},
    {"name": "Midnight Silver", "hex_code": "
                            
                            #4E5452
                        "}
  ]
}

This palette contains a mixture of shades and tones of black, silver, and gold, providing a diverse collection for various design needs.

Would you like to explore specific combinations of these colors or any particular design ideas using this palette?