Here is a high contrast 12 color palette excluding black, white, and gray:

json
{
  "palette_name": "Vibrant High Contrast Colors",
  "colors": [
    {
      "name": "Bright Red",
      "hex_code": "
                            
                            #FF0000
                        "
    },
    {
      "name": "Deep Blue",
      "hex_code": "
                            
                            #0000FF
                        "
    },
    {
      "name": "Vibrant Green",
      "hex_code": "
                            
                            #00FF00
                        "
    },
    {
      "name": "Rich Yellow",
      "hex_code": "
                            
                            #FFFF00
                        "
    },
    {
      "name": "Electric Purple",
      "hex_code": "
                            
                            #800080
                        "
    },
    {
      "name": "Cyan",
      "hex_code": "
                            
                            #00FFFF
                        "
    },
    {
      "name": "Dark Orange",
      "hex_code": "
                            
                            #FF8C00
                        "
    },
    {
      "name": "Magenta",
      "hex_code": "
                            
                            #FF00FF
                        "
    },
    {
      "name": "Lime Green",
      "hex_code": "
                            
                            #32CD32
                        "
    },
    {
      "name": "Turquoise",
      "hex_code": "
                            
                            #40E0D0
                        "
    },
    {
      "name": "Crimson",
      "hex_code": "
                            
                            #DC143C
                        "
    },
    {
      "name": "Goldenrod",
      "hex_code": "
                            
                            #DAA520
                        "
    }
  ]
}

This palette showcases a variety of vibrant colors that create a striking contrast without including black, white, or gray. It’s ideal for projects that require strong visual impact and clarity.

Would you like to know more about color theory, or do you have any specific design projects in mind that you want to work on with this palette?