theme.json

{
    "$schema": "https://schemas.wp.org/trunk/theme.json",
    "version": 2,
    "settings": {
        "color": {
            "custom": false,
            "defaultPalette": false,
            "defaultGradients": false,
            "customGradient": false,
            "link": false,
            "text": false,
            "palette": [{
                    "name": "Red",
                    "slug": "red",
                    "color": "#990f3d"
                },
                {
                    "name": "Blue",
                    "slug": "blue",
                    "color": "#0e5499"
                },
                {
                    "name": "Green",
                    "slug": "green",
                    "color": "#085e66"
                },
                {
                    "name": "Black",
                    "slug": "black",
                    "color": "#231f20"
                },
                {
                    "name": "White",
                    "slug": "white",
                    "color": "#fff0e5"
                },
                {
                    "name": "Tan",
                    "slug": "tan",
                    "color": "#f2dfce"
                }
            ]
        },
        "typography": {
            "customFontSize": false
        },
        "spacing": {
            "padding": false
        }
    }
}