.ColorOnHover {
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter: grayscale(100%);
    -webkit-transition: .2s ease-in-out;
    -moz-transition: .2s ease-in-out;
    -o-transition: .2s ease-in-out;
    transition: .2s ease-in-out;
    opacity: 0.6;
    height:200px;
}



.ColorOnHover:hover {
/*    -webkit-filter: grayscale(0);
    -moz-filter: grayscale(0);
    -o-filter: grayscale(0);
    filter: grayscale(0);*/
    opacity: 1;
}