Here is a lighter version of your specified colors, creating a softer and more pastel palette:

json
{
  "palette_name": "Soft Earthy Elegance",
  "colors": [
    {
      "name": "Light Crimson Red",
      "hex_code": "
          
          #D85C5C
       "
    },
    {
      "name": "Light Charcoal Gray",
      "hex_code": "
          
          #7A7A7A
       "
    },
    {
      "name": "Light Mud Brown",
      "hex_code": "
          
          #A68A7B
       "
    },
    {
      "name": "Light Mustard Yellow",
      "hex_code": "
          
          #E3D5A6
       "
    },
    {
      "name": "Light Plum Purple",
      "hex_code": "
          
          #A76EB9
       "
    }
  ]
}

Palette Description:

This palette, titled “Soft Earthy Elegance,” features lighter tones of your original colors, providing a more gentle and airy aesthetic. The lighter Crimson Red brings warmth without overwhelming, while the Light Charcoal Gray and Light Mud Brown maintain an earthy feel. Light Mustard Yellow adds a soft brightness, and the Light Plum Purple introduces a whimsical touch, making this palette suitable for light-hearted and cheerful designs.

What type of design or project do you envision using this lighter palette for?