How to change the WHMCS SIX Template colour?

/* Body */

body, button, input, select, textarea {
color: #333;
}
a {
color: #00e4bc;
text-decoration:none;
}
a:hover {
color: #e26a88;
text-decoration:none;
}
.pagination>.active>a, .pagination>.active>a:focus, .pagination>.active>a:hover, .pagination>.active>span, .pagination>.active>span:focus, .pagination>.active>span:hover {
background-color: #00e4bc;
border-color: #00e4bc;
}

/* Header */

a.logo.logo-text {
color: #fff;
text-decoration: none;
}
section#header {
background-color: #00e4bc;
}
.navbar-main {
background-color: #00e4bc;
}
.navbar-main .navbar-nav>.active>a,.navbar-main .navbar-nav>.active>a:focus,.navbar-main .navbar-nav>.active>a:hover,.navbar-main .navbar-nav>.open>a,.navbar-main .navbar-nav>.open>a:focus,.navbar-main .navbar-nav>.open>a:hover,.navbar-main .navbar-nav>li>a:focus,.navbar-main .navbar-nav>li>a:hover {
color:#fff;
background-color:#00e4bc;
}
ul.top-nav>li>a {
color: #fff;
}
.navbar-nav>li>a:hover {
background: #00e4bc!important;
}
ul.top-nav>li.primary-action>a.btn {
background-color: #e26a88;
}
ul.top-nav>li.primary-action {
border-left: solid 0px #ddd;
}

/* Elements */

.fa-chevron-up:before {
color: #fff;
}
.btn-primary {
color: #fff;
background-color: #e26a88;
border-color: #e26a88;
}
.btn-primary:hover, .btn-primary:active, .btn-primary:focus, .btn-primary a {
background: #00e4bc!important;
border-color: #e26a88!important;
}
.btn-success:hover, .btn-success:active, .btn-success:focus, .btn-success a {
background: #e26a88;
}
.alert-info {
color: #333;
background-color: #f9f9f9;
border-color: #f9f9f9;
}
.label-warning {
background-color: #e26a88;
}
a.list-group-item, button.list-group-item {
color: #333;
}
div.header-lined .breadcrumb>.active {
color: #333;
}
.form-control:focus {
border-color: #00e4bc;
}
.btn-warning {
background-color: #00e4bc;
border-color: #00e4bc;
}
.panel-sidebar>.panel-heading, .panel-sidebar>.panel-heading h3 {
color: #fff!important;
background-color: #00e4bc;
border-bottom: 0;
}

/* Cart Page */

.panel-sidebar a.list-group-item.active,.panel-sidebar a.list-group-item.active:focus,.panel-sidebar a.list-group-item.active:hover {
background-color: #fff;
border-color: #00e4bc;
color: #333;
}
#order-standard_cart .order-summary {
background-color: #00e4bc;
border-bottom: 3px solid #00e4bc;
}
.btn-success {
color: #fff;
background-color: #00e4bc;
border-color: #00e4bc;
}
#order-standard_cart .view-cart-items-header {
background-color: #00e4bc;
}
div.header-lined h1 {
color: #00e4bc;
}
#order-standard_cart .view-cart-items {
border-bottom: 2px solid #00e4bc;
}

/* Domain Registration */

.domain-checker-container {
background:#00e4bc!important;
}
.domain-checker-bg {
background-image:none;
}
.domain-pricing .tld-pricing-header div:nth-child(odd) {
border-color: #00e4bc;
}
.domain-pricing .tld-pricing-header .col-sm-2, .domain-pricing .tld-pricing-header .col-sm-4, .domain-pricing .tld-pricing-header .col-xs-2, .domain-pricing .tld-pricing-header .col-xs-4 {
border-bottom: 2px solid #e26a88;
}
.domain-promo-box i {
color: #00e4bc;
}
.text-primary {
color: #333!important;
}
.text-warning {
color: #333!important;
}

/* Dashboard */

.panel.panel-accent-gold {
border-top: 3px solid #e26a88;
}
.bg-color-gold {
background-color: #e26a88;
}
.bg-color-blue {
background-color: #00e4bc;
}
.panel.panel-accent-blue {
border-top: 3px solid #00e4bc;
}
.panel.panel-accent-emerald {
border-top: 3px solid #00e4bc;
}
.bg-color-green {
background-color: #00e4bc;
}
.bg-color-red {
background-color: #00e4bc;
}
.navbar-main li.account {
background-color: #e26a88;
}
em {
font-style: normal;
}

/* Invoices */

.dataTables_wrapper .dataTables_info {
background-color: #00e4bc;
}
.dataTables_wrapper table.table-list thead th:nth-child(even) {
border-bottom: 4px solid #00e4bc;
}
.dataTables_wrapper table.table-list thead th {
border-bottom: 4px solid #00e4bc;
}

/* Support Tickets */

.ticket-number {
color: #333;
}
.status-active, .status-completed, .status-open {
color: #e26a88;
}
.status-closed {
color: #ccc;
}
.ticket-details-children span.label {
background: #e26a88!important;
}
.panel-info>.panel-heading {
color: #fff;
background-color: #00e4bc;
border-color: #00e4bc;
}
.btn-danger {
color: #fff;
background-color: #e26a88!important;
border-color: #e26a88!important;
}
.ticket-details-children span.label {
background: #e26a88!important;
}
.ticket-reply .user i {
float: left;
font-size: 1.6rem;
padding: 10px 15px;
color: #00e4bc;
}
label.label {
background: #e26a88!important;
}
.alert-success {
color: #fff;
background-color: #00e4bc;
border-color: #00e4bc;
}
.alert-success .alert-link {
color: #fff;
}
.ticket-reply.staff .user {
background-color: #e26a88!important;
color: #fff;
}
.ticket-reply.staff {
border: 1px solid #e26a88!important;
}
.ticket-reply.staff .date {
color: #fff!important;
}
.ticket-reply .message {
padding: 27px 15px 8px 15px;
}
.ticket-reply.staff i {
color: #fff;
}
.ticket-reply .message {
padding: 27px 15px 8px 15px;
}
.ticket-reply.staff i {
color: #fff;
}
.status-answered, .status-fraud {
color: #e26a88;
}

/Order Page/

#order-standard_cart .order-summary h2 {
background: #00e4bc;
}
#order-standard_cart .summary-container {
border-radius: 0px!important;
}
#order-standard_cart .order-summary {
border-bottom: 3px solid #00e4bc!important;
}
#order-standard_cart .sub-heading span, #order-standard_cart .sub-heading-borderless span {
color: #333!important;
}
.alert-warning {
color: #fff;
background-color: #00e4bc;
border-color: #00e4bc;
}
.alert-warning .alert-link {
color: #fff;
}

/* Checkout */

#order-standard_cart .view-cart-items-header {
background-color: #00e4bc!important;
}
#order-standard_cart .view-cart-items {
border-bottom: 2px solid #00e4bc!important;
}
#order-standard_cart .empty-cart .btn {
background-color: #00e4bc!important;
}
.btn-link {
color: #00e4bc;
}
.btn-info {
color: #fff!important;
background-color: #e26a88!important;
border-color: #e26a88!important;
}
/* WHMCS Store */

#order-standard_cart .products .product header {
background: #00e4bc;
}

span#product1-name {
color: #fff!important;
}