Sure! Here’s a more muted pastel rainbow palette with softer tones that are less bright:

json
{
  "palette_name": "Subtle Pastel Rainbow",
  "colors": [
    {
      "name": "Soft Yellow",
      "hex_code": "
                            
                            #E3D84D
                        "
    },
    {
      "name": "Muted Orange",
      "hex_code": "
                            
                            #F0A76B
                        "
    },
    {
      "name": "Dusty Pink",
      "hex_code": "
                            
                            #F2B2B2
                        "
    },
    {
      "name": "Soft Red",
      "hex_code": "
                            
                            #EA8B8B
                        "
    },
    {
      "name": "Lavender Purple",
      "hex_code": "
                            
                            #BDA0D5
                        "
    },
    {
      "name": "Muted Magenta",
      "hex_code": "
                            
                            #EAB8D1
                        "
    },
    {
      "name": "Pale Green",
      "hex_code": "
                            
                            #B8E1D8
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #A7C6ED
                        "
    },
    {
      "name": "Light Cyan",
      "hex_code": "
                            
                            #A0D7E1
                        "
    },
    {
      "name": "Pale Lavender",
      "hex_code": "
                            
                            #E7D8E6
                        "
    }
  ]
}

This version features softer and more muted pastel colors, creating a subtle and calming palette. Let me know if you’d like any further adjustments or if there’s anything else you need!