Grayscale Photo of Traffic Light

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Grayscale Photo of Traffic Light",
    "version": "1.0",
    "description": "",
    "manifest_version": 3,
    "theme": {
        "images": {
            "theme_frame": "images\/theme_frame.png",
            "theme_toolbar": "images\/theme_toolbar.png",
            "theme_tab_background": "images\/theme_tab_background.png",
            "theme_ntp_background": "images\/theme_ntp_background.png"
        },
        "colors": {
            "frame": [
                27,
                27,
                27
            ],
            "toolbar": [
                151,
                151,
                151
            ],
            "tab_text": [
                27,
                27,
                27
            ],
            "tab_background_text": [
                195,
                195,
                195
            ],
            "bookmark_text": [
                27,
                27,
                27
            ],
            "ntp_background": [
                255,
                255,
                255
            ],
            "ntp_text": [
                50,
                50,
                50
            ],
            "ntp_link": [
                6,
                55,
                116
            ],
            "button_background": [
                0,
                0,
                0,
                0
            ]
        },
        "tints": {
            "buttons": [
                0,
                0,
                0.11
            ]
        },
        "properties": {
            "ntp_background_alignment": "bottom",
            "ntp_background_repeat": "no-repeat"
        }
    }
}