Hello, yes, try this:
HTML:
<div class="owl-carousel" data-plugin-options='{"items": 5, "singleItem": false}'>
<div>
<img class="img-responsive saturation" src="img/logos/logo-1.png" alt="">
</div>
<div>
<img class="img-responsive saturation" src="img/logos/logo-2.png" alt="">
</div>
<div>
<img class="img-responsive saturation" src="img/logos/logo-3.png" alt="">
</div>
<div>
<img class="img-responsive saturation" src="img/logos/logo-4.png" alt="">
</div>
<div>
<img class="img-responsive saturation" src="img/logos/logo-5.png" alt="">
</div>
<div>
<img class="img-responsive saturation" src="img/logos/logo-6.png" alt="">
</div>
<div>
<img class="img-responsive saturation" src="img/logos/logo-4.png" alt="">
</div>
<div>
<img class="img-responsive saturation" src="img/logos/logo-2.png" alt="">
</div>
</div>
CSS: (css/custom.css)
img.saturation {
width: 100%;
filter: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='grayscale'><feColorMatrix type='matrix' values='0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0'/></filter></svg>#grayscale");
filter: gray;
-webkit-filter: grayscale(100%);
-webkit-border-radius: 6px;
-moz-border-radius: 6px;
border-radius: 6px;
width: 100%;
opacity: 0.5;
}
img.saturation:hover {
-webkit-transform: none;
-moz-transform: none;
-ms-transform: none;
-o-transform: none;
transform: none;
opacity: 1;
filter: none;
-webkit-filter: none;
}
Thanks.