Here is a color palette designed for an Excel table that ensures black text is easy to read. This palette consists of 24 distinct colors, providing a variety of options while maintaining readability.

json
{
  "palette_name": "Readable Excel Table Colors",
  "colors": [
    {"name": "Sky Blue", "hex_code": "
                            
                            #87CEEB
                        "},
    {"name": "Light Green", "hex_code": "
                            
                            #90EE90
                        "},
    {"name": "Salmon", "hex_code": "
                            
                            #FA8072
                        "},
    {"name": "Gold", "hex_code": "
                            
                            #FFD700
                        "},
    {"name": "Light Coral", "hex_code": "
                            
                            #F08080
                        "},
    {"name": "Peach Puff", "hex_code": "
                            
                            #FFDAB9
                        "},
    {"name": "Lavender", "hex_code": "
                            
                            #E6E6FA
                        "},
    {"name": "Pale Goldenrod", "hex_code": "
                            
                            #EEE8AA
                        "},
    {"name": "Light Steel Blue", "hex_code": "
                            
                            #B0C4DE
                        "},
    {"name": "Thistle", "hex_code": "
                            
                            #D8BFD8
                        "},
    {"name": "Light Blue", "hex_code": "
                            
                            #ADD8E6
                        "},
    {"name": "Honeydew", "hex_code": "
                            
                            #F0FFF0
                        "},
    {"name": "Misty Rose", "hex_code": "
                            
                            #FFE4E1
                        "},
    {"name": "Wheat", "hex_code": "
                            
                            #F5DEB3
                        "},
    {"name": "Light Yellow", "hex_code": "
                            
                            #FFFFE0
                        "},
    {"name": "Pale Turquoise", "hex_code": "
                            
                            #AFEEEE
                        "},
    {"name": "Light Pink", "hex_code": "
                            
                            #FFB6C1
                        "},
    {"name": "Aquamarine", "hex_code": "
                            
                            #7FFFD4
                        "},
    {"name": "Powder Blue", "hex_code": "
                            
                            #B0E0E6
                        "},
    {"name": "Lemon Chiffon", "hex_code": "
                            
                            #FFFACD
                        "},
    {"name": "Medium Purple", "hex_code": "
                            
                            #9370DB
                        "},
    {"name": "Coral", "hex_code": "
                            
                            #FF7F50
                        "},
    {"name": "Light Salmon", "hex_code": "
                            
                            #FFA07A
                        "},
    {"name": "Dark Khaki", "hex_code": "
                            
                            #BDB76B
                        "},
    {"name": "Rosy Brown", "hex_code": "
                            
                            #BC8F8F
                        "}
  ]
}

This color palette provides a diverse range of colors that work well together and with black text for clear visibility.

Would you like to know how to implement this palette in Excel or any other assistance?