PhpSpreadsheet/tests/data/Style/ColorGetBlue.php

<?php

return [
    // RGBA (hex)
    [
        'FFAABBCC',
        'CC',
    ],
    // RGBA (decimal)
    [
        'FFAABBCC',
        false,
        204,
    ],
    // RGB (hex)
    [
        'AABBCC',
        'CC',
    ],
    // RGB (decimal)
    [
        'AABBCC',
        false,
        204,
    ],
    [
        'FFFF00',
        '00',
    ],
    [
        'FFFF00',
        false,
        0,
    ],
];