Here is a color palette that features two colors of the same shade and two different colors:

json
{
  "palette_name": "Twilight Harmony",
  "colors": [
    {
      "name": "Deep Blue",
      "hex_code": "
                            
                            #003366
                        "
    },
    {
      "name": "Deep Blue",
      "hex_code": "
                            
                            #003366
                        "
    },
    {
      "name": "Sunset Orange",
      "hex_code": "
                            
                            #FF4500
                        "
    },
    {
      "name": "Mint Green",
      "hex_code": "
                            
                            #98FF98
                        "
    }
  ]
}

Palette Description: This palette, named “Twilight Harmony,” combines the richness of Deep Blue with the vibrant contrast of Sunset Orange and the refreshing touch of Mint Green. The repetition of Deep Blue creates a sense of unity while the other two colors add lively energy.

Do you have any specific applications in mind for this palette, or would you like to explore more options?