Here’s a color palette based on your query, featuring two purples (one lighter and one darker), yellow, muted red, and muted green:

json
{
  "palette_name": "Contrasting Purples with Earthy Tones",
  "colors": [
    {
      "name": "Light Purple",
      "hex_code": "
                            
                            #E0B0FF
                        "
    },
    {
      "name": "Dark Purple",
      "hex_code": "
                            
                            #5C4B8A
                        "
    },
    {
      "name": "Bright Yellow",
      "hex_code": "
                            
                            #F6EB61
                        "
    },
    {
      "name": "Muted Red",
      "hex_code": "
                            
                            #D06E6D
                        "
    },
    {
      "name": "Muted Green",
      "hex_code": "
                            
                            #7D9A6F
                        "
    }
  ]
}

This palette features a light purple that contrasts beautifully with a dark purple, complemented by the brightness of yellow and the earthy tones of muted red and green. Would you like to explore variations of this palette or perhaps create a palette for a different theme?