Here’s a color palette based on your request for 80 shades of yellow:

json
{
  "palette_name": "Vibrant Yellows",
  "colors": [
    {"name": "Light Yellow", "hex_code": "
                            
                            #FFFFE0
                        "},
    {"name": "Lemon Chiffon", "hex_code": "
                            
                            #FFFACD
                        "},
    {"name": "Light Goldenrod Yellow", "hex_code": "
                            
                            #FAFAD2
                        "},
    {"name": "Papaya Whip", "hex_code": "
                            
                            #FFEFD5
                        "},
    {"name": "Moccasin", "hex_code": "
                            
                            #FFE4B5
                        "},
    {"name": "Peach Puff", "hex_code": "
                            
                            #FFDAB9
                        "},
    {"name": "Pale Goldenrod", "hex_code": "
                            
                            #EEE8AA
                        "},
    {"name": "Khaki", "hex_code": "
                            
                            #F0E68C
                        "},
    {"name": "Dark Khaki", "hex_code": "
                            
                            #BDB76B
                        "},
    {"name": "Gold", "hex_code": "
                            
                            #FFD700
                        "},
    {"name": "Goldenrod", "hex_code": "
                            
                            #DAA520
                        "},
    {"name": "Yellow", "hex_code": "
                            
                            #FFFF00
                        "},
    {"name": "Light Yellow", "hex_code": "
                            
                            #FFFFE0
                        "},
    {"name": "Floral Yellow", "hex_code": "
                            
                            #FFEA00
                        "},
    {"name": "Pastel Yellow", "hex_code": "
                            
                            #FDFD96
                        "},
    {"name": "Sunshine Yellow", "hex_code": "
                            
                            #FFCC00
                        "},
    {"name": "Canary Yellow", "hex_code": "
                            
                            #FFFF99
                        "},
    {"name": "Daffodil Yellow", "hex_code": "
                            
                            #F3E03B
                        "},
    {"name": "Buttercup Yellow", "hex_code": "
                            
                            #F6EB61
                        "},
    {"name": "Bumblebee Yellow", "hex_code": "
                            
                            #F6A600
                        "},
    {"name": "Mustard Yellow", "hex_code": "
                            
                            #E1AD00
                        "},
    {"name": "Banana Yellow", "hex_code": "
                            
                            #F6EB61
                        "},
    {"name": "Lemon Yellow", "hex_code": "
                            
                            #FFEA00
                        "},
    {"name": "Citrine", "hex_code": "
                            
                            #E4D300
                        "},
    {"name": "Dandelion", "hex_code": "
                            
                            #F1C40F
                        "},
    {"name": "Amber", "hex_code": "
                            
                            #FFBF00
                        "},
    {"name": "Saffron", "hex_code": "
                            
                            #F4AA00
                        "},
    {"name": "Golden Yellow", "hex_code": "
                            
                            #FFC300
                        "},
    {"name": "Daisy Yellow", "hex_code": "
                            
                            #F8D83A
                        "},
    {"name": "Sunflower Yellow", "hex_code": "
                            
                            #FFDA00
                        "},
    {"name": "Goldenrod Yellow", "hex_code": "
                            
                            #DAA520
                        "},
    {"name": "Cream", "hex_code": "
                            
                            #FFFDD0
                        "},
    {"name": "Chartreuse", "hex_code": "
                            
                            #DFFF00
                        "},
    {"name": "Yellow Green", "hex_code": "
                            
                            #9BFF00
                        "},
    {"name": "Spring Bud", "hex_code": "
                            
                            #A8D400
                        "},
    {"name": "Lemon Lime", "hex_code": "
                            
                            #E8FF00
                        "},
    {"name": "Canary Yellow", "hex_code": "
                            
                            #FFFF99
                        "},
    {"name": "Gamboge", "hex_code": "
                            
                            #E9B300
                        "},
    {"name": "Golden Yellow", "hex_code": "
                            
                            #FFC300
                        "},
    {"name": "Lemonade", "hex_code": "
                            
                            #F5E05D
                        "},
    {"name": "Flax", "hex_code": "
                            
                            #EEDC82
                        "},
    {"name": "Buff", "hex_code": "
                            
                            #F0DC82
                        "},
    {"name": "Honey", "hex_code": "
                            
                            #FFC30B
                        "},
    {"name": "Bananarama", "hex_code": "
                            
                            #FFEA00
                        "},
    {"name": "Yellow Orange", "hex_code": "
                            
                            #FFB300
                        "},
    {"name": "Aurora", "hex_code": "
                            
                            #FFB900
                        "},
    {"name": "Lemon Sorbet", "hex_code": "
                            
                            #F8E2A4
                        "},
    {"name": "Golden Honey", "hex_code": "
                            
                            #E3B900
                        "},
    {"name": "Sunbeam Yellow", "hex_code": "
                            
                            #F6EB61
                        "},
    {"name": "Mellow Yellow", "hex_code": "
                            
                            #F8E71C
                        "},
    {"name": "Banana Cream", "hex_code": "
                            
                            #FDDC7A
                        "},
    {"name": "Golden Apricot", "hex_code": "
                            
                            #F6D3B4
                        "},
    {"name": "Dijon", "hex_code": "
                            
                            #B49A00
                        "},
    {"name": "Lemonade", "hex_code": "
                            
                            #F7EA00
                        "},
    {"name": "Pineapple", "hex_code": "
                            
                            #F9D900
                        "},
    {"name": "Saffron", "hex_code": "
                            
                            #D1A300
                        "},
    {"name": "Ginger", "hex_code": "
                            
                            #E6C200
                        "},
    {"name": "Vanilla", "hex_code": "
                            
                            #F3E5AB
                        "},
    {"name": "Marigold", "hex_code": "
                            
                            #F4A300
                        "},
    {"name": "Dandelion", "hex_code": "
                            
                            #F8D600
                        "},
    {"name": "Lemon Drop", "hex_code": "
                            
                            #F8D300
                        "},
    {"name": "Soft Yellow", "hex_code": "
                            
                            #F1E6A9
                        "},
    {"name": "Peach Yellow", "hex_code": "
                            
                            #F4C300
                        "},
    {"name": "Tangerine", "hex_code": "
                            
                            #FFB300
                        "},
    {"name": "Butterscotch", "hex_code": "
                            
                            #F4B700
                        "},
    {"name": "Sunglow", "hex_code": "
                            
                            #FFCC00
                        "},
    {"name": "Creamy Yellow", "hex_code": "
                            
                            #F4E300
                        "},
    {"name": "Chiffon", "hex_code": "
                            
                            #F8E8D0
                        "},
    {"name": "Pale Lemon", "hex_code": "
                            
                            #F8E1A0
                        "},
    {"name": "Dahlia", "hex_code": "
                            
                            #F6B600
                        "},
    {"name": "Buff", "hex_code": "
                            
                            #F1C40F
                        "},
    {"name": "Ginger", "hex_code": "
                            
                            #E7A100
                        "},
    {"name": "Sandy Yellow", "hex_code": "
                            
                            #D6C84D
                        "},
    {"name": "Daffodil", "hex_code": "
                            
                            #E8D700
                        "},
    {"name": "Sunlit", "hex_code": "
                            
                            #F6EBAF
                        "},
    {"name": "Butter Yellow", "hex_code": "
                            
                            #F3E56D
                        "},
    {"name": "Mellow Gold", "hex_code": "
                            
                            #F0D900
                        "},
    {"name": "Sandy Beach", "hex_code": "
                            
                            #F2D200
                        "},
    {"name": "Light Meadow", "hex_code": "
                            
                            #F6E8A8
                        "},
    {"name": "Lemonade", "hex_code": "
                            
                            #F6EA4A
                        "},
    {"name": "Sunbeam", "hex_code": "
                            
                            #FCE600
                        "},
    {"name": "Bright Lemon", "hex_code": "
                            
                            #F4D300
                        "},
    {"name": "Limoncello", "hex_code": "
                            
                            #F6E2B0
                        "},
    {"name": "Sunny Side", "hex_code": "
                            
                            #F9D600
                        "},
    {"name": "Amber Gold", "hex_code": "
                            
                            #D69000
                        "}
  ]
}

This palette features a variety of vibrant and cheerful shades of yellow, perfect for adding brightness and warmth to any design project.

What do you think of the colors? Do you have a specific use in mind for this palette?