To increase the contrast of the split complementary palette centered around #ffaaaa , we can select deeper and more saturated versions of the colors. Here’s an updated palette with higher contrast:

json
{
  "palette_name": "High Contrast Split Complementary Palette",
  "colors": [
    {
      "name": "Coral Red",
      "hex_code": "
          
          #ff6f61
       "
    },
    {
      "name": "Dark Sea Green",
      "hex_code": "
          
          #2e8b57
       "
    },
    {
      "name": "Lime Green",
      "hex_code": "
          
          #32cd32
       "
    },
    {
      "name": "Teal",
      "hex_code": "
          
          #008080
       "
    }
  ]
}

This palette maintains the original colors’ relationships while introducing more vibrant and darker shades, creating a striking contrast.

Are there any other specific adjustments or themes you’d like to explore?