JAVASCRIPT

change the color of toast toastr js

 /* this will set the toastr icon */
 #toast-container > .toast-custom {
    content: "f00C";
}

/* this will set the toastr style */
.toast-custom {
    background-color: purple;
}

change the color of toast toastr js

toastr.info("Click To Open", "more text",{iconClass:"toast-custom"});