Here is the updated color palette that maintains Medium Purple and Amethyst, and replaces Lavender Purple with a deeper shade for a better transition:

json
{
  "palette_name": "Balanced Transition from Medium Purple to Rebecca Purple",
  "colors": [
    {
      "name": "Medium Purple",
      "hex_code": "
                            
                            #9370DB
                        "
    },
    {
      "name": "Amethyst",
      "hex_code": "
                            
                            #9966CC
                        "
    },
    {
      "name": "Cadmium Purple",
      "hex_code": "
                            
                            #A500B5
                        "
    },
    {
      "name": "Dark Magenta",
      "hex_code": "
                            
                            #8B008B
                        "
    },
    {
      "name": "Rebecca Purple",
      "hex_code": "
                            
                            #663399
                        "
    }
  ]
}

In this palette, Cadmium Purple provides a deeper shade that transitions well between Amethyst and Dark Magenta, leading smoothly into Rebecca Purple.

Would you like to make any more changes or explore other color themes?