JSON Theme Help (label colours)

I'm struggling to recolour the data labels in donut charts and bar charts. Here's what it currently looks like:

Everything's coloured correctly except the axis labelsAlso coloured black. Precision set to 9 just to make sure that I'm talking to the right object.

And here's what I've currently got for the colours of the labels after several attempts, as per the documentation (unless I'm misunderstanding it, which is highly likely):

    "visualStyles":{
        "*":{
            "*":{
                "*":[{
                    "color":{
                        "solid":{
                            "color":"#FFFFFF"
                            }
                        }
                },{
                    "labelColor":{
                        "solid":{
                            "color":"#FFFFFF"
                        }
                    }
                }],
                "categoryAxis":[{
                    "showAxisTitle":false,
			"labelColor": {
                        "solid": {
                            "color": "#ffffff"
                        }
                    }
                }],
                "valueAxis":[{
                    "showAxisTitle":false,
			"labelColor": {
                        "solid": {
                            "color": "#FFFFFF"
                        }
                    }
                }],
		"labels":[{
                    "color": {
                        "solid": {
                            "color": "#FF0000"
                        }
                    }
                },{
                    "labelPrecision":9
                }]
            }
        }
    }

Can anyone point out what I'm doing wrong, please?