Here’s a balanced and harmonious color palette based on the classic 12-color color wheel, featuring soft saturation and suitable for modern web and UI design. Each hue is presented with three shades: lighter, normal, and slightly darker.

json
{
  "palette_name": "Balanced Itten Color Wheel",
  "colors": [
    { "name": "Light Yellow", "hex_code": "
          
          #FFF9C4
       " },
    { "name": "Base Yellow", "hex_code": "
          
          #FFEB3B
       " },
    { "name": "Dark Yellow", "hex_code": "
          
          #FBC02D
       " },
    
    { "name": "Light Yellow-Orange", "hex_code": "
          
          #FFE0B2
       " },
    { "name": "Base Yellow-Orange", "hex_code": "
          
          #FFB300
       " },
    { "name": "Dark Yellow-Orange", "hex_code": "
          
          #FFA000
       " },
    
    { "name": "Light Orange", "hex_code": "
          
          #FFE0B2
       " },
    { "name": "Base Orange", "hex_code": "
          
          #FF9800
       " },
    { "name": "Dark Orange", "hex_code": "
          
          #F57C00
       " },
    
    { "name": "Light Orange-Red", "hex_code": "
          
          #FFCCBC
       " },
    { "name": "Base Orange-Red", "hex_code": "
          
          #FF5722
       " },
    { "name": "Dark Orange-Red", "hex_code": "
          
          #D84315
       " },
    
    { "name": "Light Red", "hex_code": "
          
          #FFCDD2
       " },
    { "name": "Base Red", "hex_code": "
          
          #F44336
       " },
    { "name": "Dark Red", "hex_code": "
          
          #C62828
       " },
    
    { "name": "Light Red-Purple", "hex_code": "
          
          #E1BEE7
       " },
    { "name": "Base Red-Purple", "hex_code": "
          
          #9C27B0
       " },
    { "name": "Dark Red-Purple", "hex_code": "
          
          #7B1FA2
       " },
    
    { "name": "Light Purple", "hex_code": "
          
          #D1C4E9
       " },
    { "name": "Base Purple", "hex_code": "
          
          #673AB7
       " },
    { "name": "Dark Purple", "hex_code": "
          
          #512DA8
       " },
    
    { "name": "Light Purple-Blue", "hex_code": "
          
          #BBDEFB
       " },
    { "name": "Base Purple-Blue", "hex_code": "
          
          #3F51B5
       " },
    { "name": "Dark Purple-Blue", "hex_code": "
          
          #303F9F
       " },
    
    { "name": "Light Blue", "hex_code": "
          
          #BBDEFB
       " },
    { "name": "Base Blue", "hex_code": "
          
          #2196F3
       " },
    { "name": "Dark Blue", "hex_code": "
          
          #1976D2
       " },
    
    { "name": "Light Blue-Green", "hex_code": "
          
          #B2EBF2
       " },
    { "name": "Base Blue-Green", "hex_code": "
          
          #00BCD4
       " },
    { "name": "Dark Blue-Green", "hex_code": "
          
          #00838F
       " },
    
    { "name": "Light Green", "hex_code": "
          
          #C8E6C9
       " },
    { "name": "Base Green", "hex_code": "
          
          #4CAF50
       " },
    { "name": "Dark Green", "hex_code": "
          
          #388E3C
       " },
    
    { "name": "Light Green-Yellow", "hex_code": "
          
          #E6EE9C
       " },
    { "name": "Base Green-Yellow", "hex_code": "
          
          #CDDC39
       " },
    { "name": "Dark Green-Yellow", "hex_code": "
          
          #A4C639
       " }
  ]
}

This palette features soft, non-aggressive hues that maintain good contrast and readability, making it ideal for web and UI design. Each color is designed with harmonious transitions between neighboring hues, ensuring a balanced aesthetic.

Would you like to see any further customizations or additional shades?