theme.json

{
    "version": 2,
    "settings": {
        "appearanceTools": true,
        "color": {
			"defaultPalette": false,
			"defaultGradients": false,
            "duotone": [
                {
                    "colors": [ "#000", "#daa6ba" ],
                    "slug": "pink",
                    "name": "Pink"
                },
				{
                    "colors": [ "#000", "#fadd82" ],
                    "slug": "yellow",
                    "name": "Yellow"
                },
				{
                    "colors": [ "#000", "#f3ad90" ],
                    "slug": "light-orange",
                    "name": "Light Orange"
                },
				{
                    "colors": [ "#000", "#9cdd7b" ],
                    "slug": "green",
                    "name": "Green"
                },
                {
                    "colors": [ "#000", "#7dd8f1" ],
                    "slug": "blue",
                    "name": "Blue"
                },
                {
                    "colors": [ "#000", "#dee67b" ],
                    "slug": "yellow-green",
                    "name": "Yellow Green"
                }
            ]
		}
	}
}