Here is a color palette inspired by the colors petrol, green, and blue, designed to stand out on a dark background.

json
{
  "palette_name": "Deep Ocean Vibes",
  "colors": [
    {
      "name": "Petrol Blue",
      "hex_code": "
          
          #005B5C
       "
    },
    {
      "name": "Forest Green",
      "hex_code": "
          
          #2C3E50
       "
    },
    {
      "name": "Deep Sea Blue",
      "hex_code": "
          
          #1A6F8C
       "
    },
    {
      "name": "Teal Green",
      "hex_code": "
          
          #008C7A
       "
    },
    {
      "name": "Charcoal Black",
      "hex_code": "
          
          #1B1B1B
       "
    }
  ]
}

This palette combines rich, dark hues of blue and green that create a serene and elegant look against a dark background. The colors are deep enough to provide contrast while maintaining harmony.

Would you like to explore variations of this palette or perhaps different color combinations?