Here is a monochromatic version of your “best pastel color combo” palette, using shades of pink to maintain the pastel theme.

json
{
  "palette_name": "Monochromatic Pastel Pink",
  "colors": [
    {
      "name": "Light Pink",
      "hex_code": "
          
          #F4C2C2
       "
    },
    {
      "name": "Pastel Pink",
      "hex_code": "
          
          #EAB8C9
       "
    },
    {
      "name": "Soft Pink",
      "hex_code": "
          
          #D8A3B5
       "
    },
    {
      "name": "Muted Pink",
      "hex_code": "
          
          #C68DA2
       "
    },
    {
      "name": "Dusty Rose",
      "hex_code": "
          
          #B2798E
       "
    },
    {
      "name": "Deep Pink",
      "hex_code": "
          
          #A0637B
       "
    }
  ]
}

This updated palette focuses on variations of pink, creating a soothing monochromatic theme while still aligning with the pastel aesthetic.

Would you like to make any further adjustments or explore different color themes?