Here is a color palette based on your query:

json
{
  "palette_name": "Nature's Trust",
  "colors": [
    {
      "name": "Leaf Green",
      "hex_code": "
                            
                            #66BB6A
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #81D4FA
                        "
    },
    {
      "name": "Earth Brown",
      "hex_code": "
                            
                            #8D6E63
                        "
    },
    {
      "name": "White Smoke",
      "hex_code": "
                            
                            #F5F5F5
                        "
    },
    {
      "name": "Jet Black",
      "hex_code": "
                            
                            #212121
                        "
    }
  ]
}

This palette emphasizes a connection to the environment and well-being. Leaf Green represents nature and vitality, while Sky Blue conveys trust and care. Earth Brown adds a grounding element, creating a connection to the earth. White Smoke provides a soft, neutral background, and Jet Black ensures strong contrast for text.

Would you like to delve into specific uses for this palette, or do you have any adjustments in mind?