theme.json example for WP 5.9

theme.json

{
    "$schema": "https://schemas.wp.org/trunk/theme.json",
    "version": 2,
    "settings": {
        "custom": {
            "color": {
                "primary": {
                    "100": "hsl(360, 100%, 97%)",
                    "200": "hsl(360, 82%, 89%)",
                    "300": "hsl(360, 77%, 78%)",
                    "400": "hsl(360, 71%, 66%)",
                    "500": "hsl(360, 64%, 55%)",
                    "600": "hsl(360, 67%, 44%)",
                    "700": "hsl(360, 72%, 38%)",
                    "800": "hsl(360, 79%, 32%)",
                    "900": "hsl(360, 85%, 25%)",
                    "1000": "hsl(360, 92%, 20%)"
                },
                "grey": {
                    "100": "hsl(40, 23%, 97%)",
                    "200": "hsl(43, 13%, 90%)",
                    "300": "hsl(40, 15%, 80%)",
                    "400": "hsl(39, 11%, 69%)",
                    "500": "hsl(41, 8%, 61%)",
                    "600": "hsl(41, 8%, 44%)",
                    "700": "hsl(41, 9%, 35%)",
                    "800": "hsl(37, 11%, 28%)",
                    "900": "hsl(40, 13%, 23%)",
                    "1000": "hsl(42, 15%, 13%)"
                },
                "neutral": {
                    "white": "#fff"
                }
            },
	    "font": {
		"sans-serif": "Lato, sans-serif;"
	    },
            "spacing": {
                "0": "0",
                "0/5": "0.25rem",
                "1": "0.5rem",
                "1/5": "0.75rem",
                "2": "1rem",
                "3": "1.5rem",
                "4": "2rem",
                "4-5": "2.25rem",
                "6": "3rem",
                "8": "4rem",
                "10": "5rem",
                "16": "8rem"
            },
            "width": {
                "site-max": "125rem",
                "container": "87.5rem",
                "container-wide": "87.5rem",
                "container-medium": "46rem",
                "container-small": "27.5rem"
            },
            "transition": {
                "3": "0.3s",
                "4": "0.4s"
            }
        },
        "border": {
            "color": false,
            "radius": false,
            "style": false,
            "width": false
        },
        "color": {
            "custom": false,
            "customGradient": false,
            "defaultPalette": false,
            "defaultGradients": false,
            "duotone": [],
            "gradients": [],
            "link": false,
            "palette": []
        },
        "layout": {
            "contentSize": "var(--wp--custom--width--container-medium)",
            "wideSize": "var(--wp--custom--width--container-wide)"
        },
        "spacing": {
            "margin": false,
            "padding": false,
            "units": []
        },
        "typography": {
            "customFontSize": false,
            "fontStyle": false,
            "fontWeight": false,
            "lineHeight": false,
            "textDecoration": false,
            "textTransform": false,
            "dropCap": false,
            "fontFamilies": [],
            "fontSizes": []
        },
	"blocks": {
            "meomblocks/group": {
                "color": {
                    "palette": [
                        {
                            "slug": "lighter",
                            "color": "var(--wp--custom--color--grey--100)",
                            "name": "Lighter"
                        },
                        {
                            "slug": "light",
                            "color": "var(--wp--custom--color--grey--200)",
                            "name": "Light"
                        }
                    ]
                }
            }
        }
    }
}