Here is another color palette tailored for football kits, featuring two shades of the same color along with two distinct colors:

json
{
  "palette_name": "Fierce Energy",
  "colors": [
    {
      "name": "Crimson",
      "hex_code": "
          
          #A50034
       "
    },
    {
      "name": "Light Crimson",
      "hex_code": "
          
          #D50032
       "
    },
    {
      "name": "Navy Blue",
      "hex_code": "
          
          #001F3F
       "
    },
    {
      "name": "Silver",
      "hex_code": "
          
          #C0C0C0
       "
    }
  ]
}

Palette Description: This palette, named “Fierce Energy,” combines the boldness of Crimson and Light Crimson to create an aggressive and dynamic look. The addition of Navy Blue offers a strong contrast that grounds the palette, while Silver brings a sleek, modern touch, making it ideal for striking football kits that convey both power and style.

Would you like more variations, or is there a specific design element you want to focus on for these kits?