The background colour can’t be changed in the setting currently. I will add it to the feature request list.
you could add this to your themes css file, it may allow you to change the colours:
.table > thead > tr > td.mdocs-success,
.table > tbody > tr > td.mdocs-success,
.table > tfoot > tr > td.mdocs-success,
.table > thead > tr > th.mdocs-success,
.table > tbody > tr > th.mdocs-success,
.table > tfoot > tr > th.mdocs-success,
.table > thead > tr.mdocs-success > td,
.table > tbody > tr.mdocs-success > td,
.table > tfoot > tr.mdocs-success > td,
.table > thead > tr.mdocs-success > th,
.table > tbody > tr.mdocs-success > th,
.table > tfoot > tr.mdocs-success > th {
background-color: #dff0d8;
}
.table-hover > tbody > tr > td.mdocs-success:hover,
.table-hover > tbody > tr > th.mdocs-success:hover,
.table-hover > tbody > tr.mdocs-success:hover > td,
.table-hover > tbody > tr:hover > .mdocs-success,
.table-hover > tbody > tr.mdocs-success:hover > th {
background-color: #d0e9c6;
}
.table > thead > tr > td.mdocs-info,
.table > tbody > tr > td.mdocs-info,
.table > tfoot > tr > td.mdocs-info,
.table > thead > tr > th.mdocs-info,
.table > tbody > tr > th.mdocs-info,
.table > tfoot > tr > th.mdocs-info,
.table > thead > tr.mdocs-info > td,
.table > tbody > tr.mdocs-info > td,
.table > tfoot > tr.mdocs-info > td,
.table > thead > tr.mdocs-info > th,
.table > tbody > tr.mdocs-info > th,
.table > tfoot > tr.mdocs-info > th {
background-color: #d9edf7;
}
.table-hover > tbody > tr > td.mdocs-info:hover,
.table-hover > tbody > tr > th.mdocs-info:hover,
.table-hover > tbody > tr.mdocs-info:hover > td,
.table-hover > tbody > tr:hover > .mdocs-info,
.table-hover > tbody > tr.mdocs-info:hover > th {
background-color: #c4e3f3;
}