Here’s a color palette based on cold shades of yellow:

json
{
  "palette_name": "Cold Shades of Yellow",
  "colors": [
    {
      "name": "Pale Lemon",
      "hex_code": "
                            
                            #E7E9A1
                        "
    },
    {
      "name": "Light Mustard",
      "hex_code": "
                            
                            #D0D04C
                        "
    },
    {
      "name": "Cool Butter",
      "hex_code": "
                            
                            #F0E68C
                        "
    },
    {
      "name": "Frosted Sun",
      "hex_code": "
                            
                            #E9E1A0
                        "
    },
    {
      "name": "Icy Yellow",
      "hex_code": "
                            
                            #E2E69B
                        "
    }
  ]
}

This palette features soft and muted shades of yellow that evoke a cool and refreshing feel, perfect for a calm and serene atmosphere.

Would you like to explore more shades, or is there a specific application you have in mind for this palette?