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Flutter Quill Version

flutter_quill: ^11.4.1

Steps to Reproduce

1. Create quill detla of object with following format

{
  "ops": [
    {
      "attributes": {
        "color": "windowtext",
        "background": "transparent"
      },
      "insert": "Your text here"
    },
    {
      "attributes": {
        "color": "yellow",
        "background": "transparent"
      },
      "insert": "Your text here"
    }
  ]
}

2. Load it into the flutter quill

Expected results

Should show correct color or remove color attribute if you don't support it

Actual results

Throw error "Unsupported operation: Color code not supported"

Additional Context

No response