Gets the colors being used in the current user's admin color scheme.

snippet.php

<?php
// Download this snippet as a plugin and more at: https://wordbits.io/snippet/get-wordpress-admin-color-scheme/
// Created by: jeffmatson
?>

<?php
function build_admin_colors() {
    global $_wp_admin_css_colors;
 
    $current_color_scheme = get_user_meta( get_current_user_id(), 'admin_color', true );
 
    $colors = array_merge(
        $_wp_admin_css_colors[ $current_color_scheme ]->colors,
        $_wp_admin_css_colors[ $current_color_scheme ]->icon_colors
    );
 
    return $colors;
}