Based on the provided hex code #5155c9 , I have created a highlight color palette that complements this vibrant blue.

{
  "palette_name": "Highlight Palette for 
                            
                            #5155c9
                        ",
  "colors": [
    {
      "name": "Bright Cyan",
      "hex_code": "
                            
                            #00BFFF
                        "
    },
    {
      "name": "Soft Lavender",
      "hex_code": "
                            
                            #E6E6FA
                        "
    },
    {
      "name": "Warm Coral",
      "hex_code": "
                            
                            #FF6F61
                        "
    },
    {
      "name": "Golden Yellow",
      "hex_code": "
                            
                            #FFD700
                        "
    },
    {
      "name": "Light Grey",
      "hex_code": "
                            
                            #D3D3D3
                        "
    }
  ]
}

Palette Description:

This highlight palette is designed to enhance the boldness of #5155c9 with bright and soft complementary colors. The bright cyan adds a refreshing touch, while soft lavender brings a calming effect. Warm coral introduces a lively contrast, golden yellow adds a cheerful brightness, and light grey provides a neutral balance.

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