Here is a color palette inspired by the exterior architecture of the Reims Cathedral, including Pantone shades and numbers that reflect its grandeur and historical essence:

json
{
  "palette_name": "Reims Cathedral Exterior",
  "colors": [
    {
      "name": "Limestone Beige",
      "hex_code": "
                            
                            #E8D9B0
                        ",
      "pantone": "Pantone 750C"
    },
    {
      "name": "Gothic Grey",
      "hex_code": "
                            
                            #A8A09D
                        ",
      "pantone": "Pantone  Warm Grey 4"
    },
    {
      "name": "Weathered Stone",
      "hex_code": "
                            
                            #B0A99F
                        ",
      "pantone": "Pantone  Warm Grey 5"
    },
    {
      "name": "Moss Green",
      "hex_code": "
                            
                            #4C5B4C
                        ",
      "pantone": "Pantone 18-5610"
    },
    {
      "name": "Sky Stone Blue",
      "hex_code": "
                            
                            #A4C8E1
                        ",
      "pantone": "Pantone 290"
    },
    {
      "name": "Copper Bronze",
      "hex_code": "
                            
                            #7C4B3A
                        ",
      "pantone": "Pantone 18-1248"
    }
  ]
}

The “Reims Cathedral Exterior” palette reflects the soft limestone tones, the grey weathered stone, hints of nature with moss green, and the elegant blues and bronze that adorn the historic façade, along with their corresponding Pantone shades.

Would you like to know more about any specific colors or have additional requests?