<div class="header-menu">
                        <a class="header-menu__link" data-menuanchor="what-we-do" href="#whatWeDo">
                            <div class="header-menu__text">Чем мы занимаемся?</div>
                        </a>
                        <a class="header-menu__link" data-menuanchor="work-process" href="#workProcess">
                            <div class="header-menu__text">Процесс работы</div>
                        </a>
                        <a class="header-menu__link" data-menuanchor="why-us" href="#whyUs">
                            <div class="header-menu__text">Почему именно мы?</div>
                        </a>
                        <a class="header-menu__link" data-menuanchor="prices" href="#Prices" id="Pricess">
                            <div class="header-menu__text">Прайс</div>
                        </a>
                        <a class="header-menu__link header-menu__link_order" data-menuanchor="order" href="#Order">
                            <div class="header-menu__text">Сделать заказ</div>
                        </a>
                    </div>
                </div>

window.onscroll = function() {

    if(document.location.hash == '#Prices')
    {
    document.getElementById('Pricess').style.color = '#f3a7f6';
    console.log('document.location', document.location.hash);
}
else {
    document.getElementById('Pricess').style.color = '#fff';
}
}