Here is a color palette based on your requirements, including the specified colors and additional colors to complement them.

json
{
  "palette_name": "App Color Palette",
  "colors": [
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #DDF5F8
                        "
    },
    {
      "name": "Pale Yellow",
      "hex_code": "
                            
                            #FEFFA2
                        "
    },
    {
      "name": "Vibrant Green",
      "hex_code": "
                            
                            #4CAF50
                        "
    },
    {
      "name": "Terracotta",
      "hex_code": "
                            
                            #D76B30
                        "
    },
    {
      "name": "Light Green",
      "hex_code": "
                            
                            #A8E6CE
                        "
    },
    {
      "name": "Bright Orange",
      "hex_code": "
                            
                            #FF5722
                        "
    },
    {
      "name": "Light Grey",
      "hex_code": "
                            
                            #E0E0E0
                        "
    },
    {
      "name": "Dark Grey",
      "hex_code": "
                            
                            #424242
                        "
    }
  ]
}

Palette Description

This palette combines calming and bright shades, with Sky Blue and Pale Yellow as the primary colors, complemented by Vibrant Green and Terracotta for a warm touch. The secondary colors, which include Light Green and Bright Orange, add vibrancy, while the greys provide a neutral balance to the overall design.

Would you like to make any adjustments or need additional colors?