Here is a vibrant red-themed color palette consisting of 100 shades of red:

json
{
  "palette_name": "Crimson Spectrum",
  "colors": [
    {"name": "Crimson", "hex_code": "
                            
                            #DC143C
                        "},
    {"name": "Firebrick", "hex_code": "
                            
                            #B22222
                        "},
    {"name": "DarkRed", "hex_code": "
                            
                            #8B0000
                        "},
    {"name": "Red", "hex_code": "
                            
                            #FF0000
                        "},
    {"name": "IndianRed", "hex_code": "
                            
                            #CD5C5C
                        "},
    {"name": "LightCoral", "hex_code": "
                            
                            #F08080
                        "},
    {"name": "Salmon", "hex_code": "
                            
                            #FA8072
                        "},
    {"name": "LightSalmon", "hex_code": "
                            
                            #FFA07A
                        "},
    {"name": "Tomato", "hex_code": "
                            
                            #FF6347
                        "},
    {"name": "Coral", "hex_code": "
                            
                            #FF7F50
                        "},
    {"name": "DarkSalmon", "hex_code": "
                            
                            #E9967A
                        "},
    {"name": "MediumVioletRed", "hex_code": "
                            
                            #C71585
                        "},
    {"name": "PaleVioletRed", "hex_code": "
                            
                            #DB7093
                        "},
    {"name": "MediumRed", "hex_code": "
                            
                            #E63946
                        "},
    {"name": "RedOrange", "hex_code": "
                            
                            #FF4500
                        "},
    {"name": "LightPink", "hex_code": "
                            
                            #FFB6C1
                        "},
    {"name": "HotPink", "hex_code": "
                            
                            #FF69B4
                        "},
    {"name": "DeepPink", "hex_code": "
                            
                            #FF1493
                        "},
    {"name": "Orchid", "hex_code": "
                            
                            #DA70D6
                        "},
    {"name": "Vermilion", "hex_code": "
                            
                            #E03C31
                        "},
    {"name": "Cardinal", "hex_code": "
                            
                            #A50034
                        "},
    {"name": "Raspberry", "hex_code": "
                            
                            #C72C48
                        "},
    {"name": "Scarlet", "hex_code": "
                            
                            #FF3E3E
                        "},
    {"name": "Cherry", "hex_code": "
                            
                            #D50032
                        "},
    {"name": "Rose", "hex_code": "
                            
                            #FF007F
                        "},
    {"name": "Ruby", "hex_code": "
                            
                            #9B111E
                        "},
    {"name": "Burgundy", "hex_code": "
                            
                            #800020
                        "},
    {"name": "CandyAppleRed", "hex_code": "
                            
                            #FF0800
                        "},
    {"name": "CrimsonRed", "hex_code": "
                            
                            #FF3B3B
                        "},
    {"name": "Poppy", "hex_code": "
                            
                            #D50000
                        "},
    {"name": "AppleRed", "hex_code": "
                            
                            #D70000
                        "},
    {"name": "Carmine", "hex_code": "
                            
                            #960018
                        "},
    {"name": "Claret", "hex_code": "
                            
                            #7C0A0A
                        "},
    {"name": "Redwood", "hex_code": "
                            
                            #A45A52
                        "},
    {"name": "Sangria", "hex_code": "
                            
                            #92000A
                        "},
    {"name": "Mahogany", "hex_code": "
                            
                            #C04000
                        "},
    {"name": "Chestnut", "hex_code": "
                            
                            #954535
                        "},
    {"name": "BloodRed", "hex_code": "
                            
                            #8A0A0A
                        "},
    {"name": "FireEngineRed", "hex_code": "
                            
                            #CE2029
                        "},
    {"name": "LightRed", "hex_code": "
                            
                            #FF7F7F
                        "},
    {"name": "FaluRed", "hex_code": "
                            
                            #7B2D2D
                        "},
    {"name": "DarkCrimson", "hex_code": "
                            
                            #9B1B30
                        "},
    {"name": "Rosewood", "hex_code": "
                            
                            #65000B
                        "},
    {"name": "VermilionRed", "hex_code": "
                            
                            #D74E3B
                        "},
    {"name": "BloodOrange", "hex_code": "
                            
                            #FF4F00
                        "},
    {"name": "BrickRed", "hex_code": "
                            
                            #C62D2D
                        "},
    {"name": "Rust", "hex_code": "
                            
                            #A52A2A
                        "},
    {"name": "CoralRed", "hex_code": "
                            
                            #FF4040
                        "},
    {"name": "SunsetRed", "hex_code": "
                            
                            #FF3E30
                        "},
    {"name": "NeonRed", "hex_code": "
                            
                            #FF1B1B
                        "},
    {"name": "ReddishBrown", "hex_code": "
                            
                            #6B2A2A
                        "},
    {"name": "TerraCotta", "hex_code": "
                            
                            #E27D60
                        "},
    {"name": "Persimmon", "hex_code": "
                            
                            #EC6A29
                        "},
    {"name": "ClayRed", "hex_code": "
                            
                            #C65D42
                        "},
    {"name": "RossoCorsa", "hex_code": "
                            
                            #C72C48
                        "},
    {"name": "BrightRed", "hex_code": "
                            
                            #FF2B2B
                        "},
    {"name": "Lava", "hex_code": "
                            
                            #C72C48
                        "},
    {"name": "Inferno", "hex_code": "
                            
                            #FF5C00
                        "},
    {"name": "FlameRed", "hex_code": "
                            
                            #FF4F00
                        "},
    {"name": "BlazeRed", "hex_code": "
                            
                            #FF2D00
                        "},
    {"name": "CardinalRed", "hex_code": "
                            
                            #A50034
                        "},
    {"name": "CherryRed", "hex_code": "
                            
                            #D50032
                        "},
    {"name": "Strawberry", "hex_code": "
                            
                            #FF2B2B
                        "},
    {"name": "PinkRed", "hex_code": "
                            
                            #E63946
                        "},
    {"name": "Rouge", "hex_code": "
                            
                            #C03030
                        "},
    {"name": "BlushRed", "hex_code": "
                            
                            #FF6363
                        "},
    {"name": "RadicalRed", "hex_code": "
                            
                            #FF3C30
                        "},
    {"name": "UltraRed", "hex_code": "
                            
                            #FF3D00
                        "},
    {"name": "Garnet", "hex_code": "
                            
                            #9B1B30
                        "},
    {"name": "Rosso", "hex_code": "
                            
                            #C72020
                        "},
    {"name": "CrimsonGlo", "hex_code": "
                            
                            #9A3C3C
                        "},
    {"name": "Pomegranate", "hex_code": "
                            
                            #C72B2B
                        "},
    {"name": "Cinnamon", "hex_code": "
                            
                            #7B4B4B
                        "},
    {"name": "ChiliPepper", "hex_code": "
                            
                            #B22222
                        "},
    {"name": "BrightCrimson", "hex_code": "
                            
                            #FF1A1A
                        "},
    {"name": "RadRed", "hex_code": "
                            
                            #E63946
                        "},
    {"name": "CarmineRed", "hex_code": "
                            
                            #9B1B30
                        "},
    {"name": "RichRed", "hex_code": "
                            
                            #AA0000
                        "},
    {"name": "DarkCherry", "hex_code": "
                            
                            #7B1A1A
                        "},
    {"name": "LightFlame", "hex_code": "
                            
                            #FF7E00
                        "},
    {"name": "HotChili", "hex_code": "
                            
                            #FF3333
                        "},
    {"name": "Salsa", "hex_code": "
                            
                            #FF4D00
                        "},
    {"name": "RedVelvet", "hex_code": "
                            
                            #A40000
                        "},
    {"name": "BrightScarlet", "hex_code": "
                            
                            #FF4500
                        "},
    {"name": "RougeRed", "hex_code": "
                            
                            #C72C48
                        "},
    {"name": "RedBerry", "hex_code": "
                            
                            #FF0055
                        "},
    {"name": "Sunset", "hex_code": "
                            
                            #FF2D00
                        "},
    {"name": "ClaretRed", "hex_code": "
                            
                            #992C2C
                        "}
  ]
}

This palette, “Crimson Spectrum”, features a wide array of reds ranging from bright and vibrant to deep and dark, showcasing the versatility of the color red. Do you have any specific shades in mind or would you like to explore another theme?