Based on your description of a picnic, sunshine, cycling, and nature, along with your color preferences of red, pink, black, and white, here’s a color palette that reflects those themes:

json
{
  "palette_name": "Picnic Vibes",
  "colors": [
    {
      "name": "Sunshine Yellow",
      "hex_code": "
                            
                            #FFD700
                        "
    },
    {
      "name": "Flamingo Pink",
      "hex_code": "
                            
                            #FF6F61
                        "
    },
    {
      "name": "Crimson Red",
      "hex_code": "
                            
                            #DC143C
                        "
    },
    {
      "name": "Classic Black",
      "hex_code": "
                            
                            #000000
                        "
    },
    {
      "name": "Pure White",
      "hex_code": "
                            
                            #FFFFFF
                        "
    }
  ]
}

This palette combines vibrant colors that evoke feelings of joy and relaxation associated with a picnic and nature, while incorporating the boldness of black and the freshness of white.

Would you like any additional colors or perhaps a specific application for this palette?