{
    "slug": "4f684b-tetrad",
    "seed": "#4F684B",
    "mode": "tetrad",
    "groups": [
        {
            "slug": "primary",
            "name": "Primary",
            "base": "#4F684B",
            "scale": {
                "50": {
                    "hex": "#EDF0ED",
                    "rgb": [
                        237,
                        240,
                        237
                    ],
                    "hsl": [
                        120,
                        9,
                        94
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 1.149999999999999911182158029987476766109466552734375,
                        "ink": 12.8499999999999996447286321199499070644378662109375
                    }
                },
                "100": {
                    "hex": "#CAD2C9",
                    "rgb": [
                        202,
                        210,
                        201
                    ],
                    "hsl": [
                        113,
                        9,
                        81
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 1.5500000000000000444089209850062616169452667236328125,
                        "ink": 9.53999999999999914734871708787977695465087890625
                    }
                },
                "300": {
                    "hex": "#95A493",
                    "rgb": [
                        149,
                        164,
                        147
                    ],
                    "hsl": [
                        113,
                        9,
                        61
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 2.62000000000000010658141036401502788066864013671875,
                        "ink": 5.62999999999999989341858963598497211933135986328125
                    }
                },
                "500": {
                    "hex": "#4F684B",
                    "rgb": [
                        79,
                        104,
                        75
                    ],
                    "hsl": [
                        112,
                        16,
                        35
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 6.1500000000000003552713678800500929355621337890625,
                        "ink": 2.399999999999999911182158029987476766109466552734375
                    }
                },
                "700": {
                    "hex": "#3B4E38",
                    "rgb": [
                        59,
                        78,
                        56
                    ],
                    "hsl": [
                        112,
                        16,
                        26
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 9,
                        "ink": 1.6399999999999999023003738329862244427204132080078125
                    }
                },
                "900": {
                    "hex": "#283426",
                    "rgb": [
                        40,
                        52,
                        38
                    ],
                    "hsl": [
                        111,
                        16,
                        18
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 13.050000000000000710542735760100185871124267578125,
                        "ink": 1.12999999999999989341858963598497211933135986328125
                    }
                }
            }
        },
        {
            "slug": "secondary",
            "name": "Secondary",
            "base": "#4B5E68",
            "scale": {
                "50": {
                    "hex": "#EDEFF0",
                    "rgb": [
                        237,
                        239,
                        240
                    ],
                    "hsl": [
                        200,
                        9,
                        94
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 1.149999999999999911182158029987476766109466552734375,
                        "ink": 12.78999999999999914734871708787977695465087890625
                    }
                },
                "100": {
                    "hex": "#C9CFD2",
                    "rgb": [
                        201,
                        207,
                        210
                    ],
                    "hsl": [
                        200,
                        9,
                        81
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 1.5700000000000000621724893790087662637233734130859375,
                        "ink": 9.3699999999999992184029906638897955417633056640625
                    }
                },
                "300": {
                    "hex": "#939EA4",
                    "rgb": [
                        147,
                        158,
                        164
                    ],
                    "hsl": [
                        201,
                        9,
                        61
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 2.7400000000000002131628207280300557613372802734375,
                        "ink": 5.38999999999999968025576890795491635799407958984375
                    }
                },
                "500": {
                    "hex": "#4B5E68",
                    "rgb": [
                        75,
                        94,
                        104
                    ],
                    "hsl": [
                        201,
                        16,
                        35
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 6.769999999999999573674358543939888477325439453125,
                        "ink": 2.180000000000000159872115546022541821002960205078125
                    }
                },
                "700": {
                    "hex": "#38464E",
                    "rgb": [
                        56,
                        70,
                        78
                    ],
                    "hsl": [
                        202,
                        16,
                        26
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 9.75,
                        "ink": 1.5100000000000000088817841970012523233890533447265625
                    }
                },
                "900": {
                    "hex": "#262F34",
                    "rgb": [
                        38,
                        47,
                        52
                    ],
                    "hsl": [
                        201,
                        16,
                        18
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 13.6500000000000003552713678800500929355621337890625,
                        "ink": 1.0800000000000000710542735760100185871124267578125
                    }
                }
            }
        },
        {
            "slug": "tertiary",
            "name": "Tertiary",
            "base": "#644B68",
            "scale": {
                "50": {
                    "hex": "#F0EDF0",
                    "rgb": [
                        240,
                        237,
                        240
                    ],
                    "hsl": [
                        300,
                        9,
                        94
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 1.1599999999999999200639422269887290894985198974609375,
                        "ink": 12.699999999999999289457264239899814128875732421875
                    }
                },
                "100": {
                    "hex": "#D0C9D2",
                    "rgb": [
                        208,
                        201,
                        210
                    ],
                    "hsl": [
                        287,
                        9,
                        81
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 1.62000000000000010658141036401502788066864013671875,
                        "ink": 9.1099999999999994315658113919198513031005859375
                    }
                },
                "300": {
                    "hex": "#A293A4",
                    "rgb": [
                        162,
                        147,
                        164
                    ],
                    "hsl": [
                        293,
                        9,
                        61
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 2.899999999999999911182158029987476766109466552734375,
                        "ink": 5.089999999999999857891452847979962825775146484375
                    }
                },
                "500": {
                    "hex": "#644B68",
                    "rgb": [
                        100,
                        75,
                        104
                    ],
                    "hsl": [
                        292,
                        16,
                        35
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 7.63999999999999968025576890795491635799407958984375,
                        "ink": 1.9299999999999999378275106209912337362766265869140625
                    }
                },
                "700": {
                    "hex": "#4B384E",
                    "rgb": [
                        75,
                        56,
                        78
                    ],
                    "hsl": [
                        292,
                        16,
                        26
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 10.6300000000000007815970093361102044582366943359375,
                        "ink": 1.3899999999999999023003738329862244427204132080078125
                    }
                },
                "900": {
                    "hex": "#322634",
                    "rgb": [
                        50,
                        38,
                        52
                    ],
                    "hsl": [
                        291,
                        16,
                        18
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 14.3599999999999994315658113919198513031005859375,
                        "ink": 1.0300000000000000266453525910037569701671600341796875
                    }
                }
            }
        },
        {
            "slug": "quaternary",
            "name": "Quaternary",
            "base": "#68564B",
            "scale": {
                "50": {
                    "hex": "#F0EEED",
                    "rgb": [
                        240,
                        238,
                        237
                    ],
                    "hsl": [
                        20,
                        9,
                        94
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 1.1599999999999999200639422269887290894985198974609375,
                        "ink": 12.7599999999999997868371792719699442386627197265625
                    }
                },
                "100": {
                    "hex": "#D2CCC9",
                    "rgb": [
                        210,
                        204,
                        201
                    ],
                    "hsl": [
                        20,
                        9,
                        81
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 1.5900000000000000799360577730112709105014801025390625,
                        "ink": 9.28999999999999914734871708787977695465087890625
                    }
                },
                "300": {
                    "hex": "#A49A93",
                    "rgb": [
                        164,
                        154,
                        147
                    ],
                    "hsl": [
                        25,
                        9,
                        61
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 2.7599999999999997868371792719699442386627197265625,
                        "ink": 5.36000000000000031974423109204508364200592041015625
                    }
                },
                "500": {
                    "hex": "#68564B",
                    "rgb": [
                        104,
                        86,
                        75
                    ],
                    "hsl": [
                        23,
                        16,
                        35
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 6.95000000000000017763568394002504646778106689453125,
                        "ink": 2.12000000000000010658141036401502788066864013671875
                    }
                },
                "700": {
                    "hex": "#4E4038",
                    "rgb": [
                        78,
                        64,
                        56
                    ],
                    "hsl": [
                        22,
                        16,
                        26
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 9.92999999999999971578290569595992565155029296875,
                        "ink": 1.4899999999999999911182158029987476766109466552734375
                    }
                },
                "900": {
                    "hex": "#342B26",
                    "rgb": [
                        52,
                        43,
                        38
                    ],
                    "hsl": [
                        21,
                        16,
                        18
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 13.82000000000000028421709430404007434844970703125,
                        "ink": 1.0700000000000000621724893790087662637233734130859375
                    }
                }
            }
        },
        {
            "slug": "neutral",
            "name": "Neutral",
            "base": "#4F684B",
            "scale": {
                "50": {
                    "hex": "#EDF0ED",
                    "rgb": [
                        237,
                        240,
                        237
                    ],
                    "hsl": [
                        120,
                        9,
                        94
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 1.149999999999999911182158029987476766109466552734375,
                        "ink": 12.8499999999999996447286321199499070644378662109375
                    }
                },
                "100": {
                    "hex": "#CAD2C9",
                    "rgb": [
                        202,
                        210,
                        201
                    ],
                    "hsl": [
                        113,
                        9,
                        81
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 1.5500000000000000444089209850062616169452667236328125,
                        "ink": 9.53999999999999914734871708787977695465087890625
                    }
                },
                "300": {
                    "hex": "#95A493",
                    "rgb": [
                        149,
                        164,
                        147
                    ],
                    "hsl": [
                        113,
                        9,
                        61
                    ],
                    "text": "#0F2A3F",
                    "contrast": {
                        "white": 2.62000000000000010658141036401502788066864013671875,
                        "ink": 5.62999999999999989341858963598497211933135986328125
                    }
                },
                "500": {
                    "hex": "#4F684B",
                    "rgb": [
                        79,
                        104,
                        75
                    ],
                    "hsl": [
                        112,
                        16,
                        35
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 6.1500000000000003552713678800500929355621337890625,
                        "ink": 2.399999999999999911182158029987476766109466552734375
                    }
                },
                "700": {
                    "hex": "#3B4E38",
                    "rgb": [
                        59,
                        78,
                        56
                    ],
                    "hsl": [
                        112,
                        16,
                        26
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 9,
                        "ink": 1.6399999999999999023003738329862244427204132080078125
                    }
                },
                "900": {
                    "hex": "#283426",
                    "rgb": [
                        40,
                        52,
                        38
                    ],
                    "hsl": [
                        111,
                        16,
                        18
                    ],
                    "text": "#FFFFFF",
                    "contrast": {
                        "white": 13.050000000000000710542735760100185871124267578125,
                        "ink": 1.12999999999999989341858963598497211933135986328125
                    }
                }
            }
        }
    ],
    "url": "https://mail.colourdesign.co.uk/4f684b-tetrad"
}