oxjs/source/Ox.UI/themes/classic/json/classic.json

{
    "color": {
        "failed": [128, 0, 0],
        "passed": [0, 128, 0]
    },
    "lightness": {
        "background": 0.75,
        "color": 0.25
    },
    "timeline": {
        "default": [128, 128, 128],
        "editing": [0, 0, 128],
        "result": [128, 128, 0],
        "selected": [0, 128, 0]
    }
}