tokens.json

{
    "color": {
      "$type": "color",
      "base": {
        "gray": {
          "0": { "$value": "#f6f8fa" },
          "1": { "$value": "#eaeef2" },
          "2": { "$value": "#d0d7de" },
          "3": { "$value": "#afb8c1" },
          "4": { "$value": "#8c959f" },
          "5": { "$value": "#6e7781" },
          "6": { "$value": "#57606a" },
          "7": { "$value": "#424a53" },
          "8": { "$value": "#32383f" },
          "9": { "$value": "#24292f" }
        },
        "blue": {
          "0": { "$value": "#ddf4ff" },
          "1": { "$value": "#b6e3ff" },
          "2": { "$value": "#80ccff" },
          "3": { "$value": "#54aeff" },
          "4": { "$value": "#218bff" },
          "5": { "$value": "#0969da" },
          "6": { "$value": "#0550ae" },
          "7": { "$value": "#033d8b" },
          "8": { "$value": "#0a3069" },
          "9": { "$value": "#002155" }
        }
      },
      "semantic": {
        "action": { "$value": "{color.base.blue.5}" },
        "textColor": { "$value": "{color.base.gray.9}" }
      }
    },
    "fontStack": {
      "$type": "fontFamily",
      "sansSerif": {
        "$value": ["-apple-system", "BlinkMacSystemFont", "Segoe UI", "Noto Sans", "Helvetica", "Arial", "sans-serif", "Apple Color Emoji", "Segoe UI Emoji"]
      }
    },
    "space": {
      "$type": "dimension",
      "xxsmall": { "$value": "2px" },
      "xsmall": { "$value": "4px" },
      "small": { "$value": "6px" },
      "medium": { "$value": "8px" },
      "large": { "$value": "12px" },
      "xlarge": { "$value": "16px" }
    }
  }