Here is the color palette based on your specifications:

json
{
  "palette_name": "Vibrant Warm to Cool Spectrum",
  "colors": [
    {
      "name": "Yellow Light",
      "hex_code": "
          
          #FFF2B3
       "
    },
    {
      "name": "Yellow Normal",
      "hex_code": "
          
          #E6C84D
       "
    },
    {
      "name": "Yellow Dark",
      "hex_code": "
          
          #B39B1F
       "
    },
    {
      "name": "Yellow-Orange Light",
      "hex_code": "
          
          #FFE0B3
       "
    },
    {
      "name": "Yellow-Orange Normal",
      "hex_code": "
          
          #E6A84D
       "
    },
    {
      "name": "Yellow-Orange Dark",
      "hex_code": "
          
          #B3781F
       "
    },
    {
      "name": "Orange Light",
      "hex_code": "
          
          #FFD1B3
       "
    },
    {
      "name": "Orange Normal",
      "hex_code": "
          
          #E67E4D
       "
    },
    {
      "name": "Orange Dark",
      "hex_code": "
          
          #B3541F
       "
    },
    {
      "name": "Orange-Red Light",
      "hex_code": "
          
          #FFC2B3
       "
    },
    {
      "name": "Orange-Red Normal",
      "hex_code": "
          
          #E65C4D
       "
    },
    {
      "name": "Orange-Red Dark",
      "hex_code": "
          
          #B33A1F
       "
    },
    {
      "name": "Red Light",
      "hex_code": "
          
          #F5B3B3
       "
    },
    {
      "name": "Red Normal",
      "hex_code": "
          
          #C94A4A
       "
    },
    {
      "name": "Red Dark",
      "hex_code": "
          
          #8F2F2F
       "
    },
    {
      "name": "Red-Purple Light",
      "hex_code": "
          
          #E6B3CC
       "
    },
    {
      "name": "Red-Purple Normal",
      "hex_code": "
          
          #B84A7A
       "
    },
    {
      "name": "Red-Purple Dark",
      "hex_code": "
          
          #7A2F52
       "
    },
    {
      "name": "Purple Light",
      "hex_code": "
          
          #D9C2EB
       "
    },
    {
      "name": "Purple Normal",
      "hex_code": "
          
          #8A5FBF
       "
    },
    {
      "name": "Purple Dark",
      "hex_code": "
          
          #5A3A7A
       "
    },
    {
      "name": "Purple-Blue Light",
      "hex_code": "
          
          #C2CCE6
       "
    },
    {
      "name": "Purple-Blue Normal",
      "hex_code": "
          
          #5F78B8
       "
    },
    {
      "name": "Purple-Blue Dark",
      "hex_code": "
          
          #3A4F7A
       "
    },
    {
      "name": "Blue Light",
      "hex_code": "
          
          #B3D9F5
       "
    },
    {
      "name": "Blue Normal",
      "hex_code": "
          
          #4A8CC9
       "
    },
    {
      "name": "Blue Dark",
      "hex_code": "
          
          #2F5E8F
       "
    },
    {
      "name": "Blue-Green Light",
      "hex_code": "
          
          #B3E6E0
       "
    },
    {
      "name": "Blue-Green Normal",
      "hex_code": "
          
          #4AB8A8
       "
    },
    {
      "name": "Blue-Green Dark",
      "hex_code": "
          
          #2F7A70
       "
    },
    {
      "name": "Green Light",
      "hex_code": "
          
          #C2E6B3
       "
    },
    {
      "name": "Green Normal",
      "hex_code": "
          
          #6FB84A
       "
    },
    {
      "name": "Green Dark",
      "hex_code": "
          
          #4A7A2F
       "
    },
    {
      "name": "Green-Yellow Light",
      "hex_code": "
          
          #E0F0B3
       "
    },
    {
      "name": "Green-Yellow Normal",
      "hex_code": "
          
          #B8CC4A
       "
    },
    {
      "name": "Green-Yellow Dark",
      "hex_code": "
          
          #7A8F2F
       "
    }
  ]
}

This palette features a vibrant spectrum of colors ranging from warm yellows and oranges to cool greens and blues. It can be used for a variety of projects that require a colorful and lively aesthetic.

Would you like to modify any colors or add new ones to this palette?