I've seen that currently the Switch buttons on the current version is blending with the white background, causing it to look transparent.
Any chance to get those varied switch buttons from this Metronic version?:
But I'm talking specific on the - Basic Examples>With Icon
We will consider adding more switch options in future updates.
You can use following code to have theme color options for switch:
<div class="form-check form-switch form-check-custom form-check-success form-check-solid">
<input class="form-check-input " type="checkbox" value="" checked />
<label class="form-check-label" for="kt_flexSwitchCustomDefault_1_1">