Based on your request for 11 distinct colors equally spaced on the color wheel starting from the color #fdc500 , I have generated a color palette that considers contrast and brightness relative to #222222 and #fefefe . Here is the color palette:

json
{
  "palette_name": "Citrus Contrast",
  "colors": [
    {
      "name": "Lemon Yellow",
      "hex_code": "
          
          #fdc500
       "
    },
    {
      "name": "Chartreuse",
      "hex_code": "
          
          #a8d200
       "
    },
    {
      "name": "Green",
      "hex_code": "
          
          #00b500
       "
    },
    {
      "name": "Cyan",
      "hex_code": "
          
          #00b5b5
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #0075b5
       "
    },
    {
      "name": "Blue",
      "hex_code": "
          
          #0055b5
       "
    },
    {
      "name": "Purple",
      "hex_code": "
          
          #5c00b5
       "
    },
    {
      "name": "Magenta",
      "hex_code": "
          
          #b5008b
       "
    },
    {
      "name": "Red",
      "hex_code": "
          
          #b50000
       "
    },
    {
      "name": "Orange",
      "hex_code": "
          
          #b55e00
       "
    },
    {
      "name": "Dark Goldenrod",
      "hex_code": "
          
          #b57d00
       "
    }
  ]
}

Palette Description

The “Citrus Contrast” palette features 11 vibrant colors that are evenly spaced around the color wheel starting from a bright lemon yellow ( #fdc500 ). This palette provides a range of contrasting hues that maintain a balance between brightness and saturation, ensuring visibility against both dark ( #222222 ) and light ( #fefefe ) backgrounds.

Would you like to explore variations of this palette or need assistance with a specific application for these colors?