javascript16进制颜色转换为RGB

function parseHexColor(hexColor) {
    return {
        r: parseInt(hexColor.slice(1, 3), 16),
        g: parseInt(hexColor.slice(3, 5), 16),
        b: parseInt(hexColor.slice(5, 7), 16)
    };
}

function parseHexColor1(hexColor) {
    var matches = hexColor.match(/\w\w/g);
    return {
        r: parseInt(matches[0], 16),
        g: parseInt(matches[1], 16),
        b: parseInt(matches[2], 16)
    };
}

function parseHexColor2(hexColor) {
    var hex = parseInt(hexColor.slice(1), 16);
    return {
        r: hex >> 16,
        g: hex >> 8 & 0xff,
        b: hex & 0xff
    };
}

console.log(parseHexColor('#76400E'));
console.log(parseHexColor1('#76400E'));                
console.log(parseHexColor2('#76400E'));