function twentyseventeen_custom_colors_css() {
  $hue = absint( get_theme_mod( 'colorscheme_hue', 250 ) );

  
/**
 * Filters Twenty Seventeen default saturation level.
 *
 * @since Twenty Seventeen 1.0
 *
 * @param int $saturation Color saturation level.
 */
  $saturation         = absint( apply_filters( 'twentyseventeen_custom_colors_saturation', 50 ) );
  $reduced_saturation = ( .8 * $saturation ) . '%';
  $saturation         = $saturation . '%';
  $css                = '
/**
 * Twenty Seventeen: Color Patterns
 *
 * Colors are ordered from dark to light.
 */

.colors-custom a:hover,
.colors-custom a:active,
.colors-custom .entry-content a:focus,
.colors-custom .entry-content a:hover,
.colors-custom .entry-summary a:focus,
.colors-custom .entry-summary a:hover,
.colors-custom .comment-content a:focus,
.colors-custom .comment-content a:hover,
.colors-custom .widget a:focus,
.colors-custom .widget a:hover,
.colors-custom .site-footer .widget-area a:focus,
.colors-custom .site-footer .widget-area a:hover,
.colors-custom .posts-navigation a:focus,
.colors-custom .posts-navigation a:hover,
.colors-custom .comment-metadata a:focus,
.colors-custom .comment-metadata a:hover,
.colors-custom .comment-metadata a.comment-edit-link:focus,
.colors-custom .comment-metadata a.comment-edit-link:hover,
.colors-custom .comment-reply-link:focus,
.colors-custom .comment-reply-link:hover,
.colors-custom .widget_authors a:focus strong,
.colors-custom .widget_authors a:hover strong,
.colors-custom .entry-title a:focus,
.colors-custom .entry-title a:hover,
.colors-custom .entry-meta a:focus,
.colors-custom .entry-meta a:hover,
.colors-custom.blog .entry-meta a.post-edit-link:focus,
.colors-custom.blog .entry-meta a.post-edit-link:hover,
.colors-custom.archive .entry-meta a.post-edit-link:focus,
.colors-custom.archive .entry-meta a.post-edit-link:hover,
.colors-custom.search .entry-meta a.post-edit-link:focus,
.colors-custom.search .entry-meta a.post-edit-link:hover,
.colors-custom .page-links a:focus .page-number,
.colors-custom .page-links a:hover .page-number,
.colors-custom .entry-footer a:focus,
.colors-custom .entry-footer a:hover,
.colors-custom .entry-footer .cat-links a:focus,
.colors-custom .entry-footer .cat-links a:hover,
.colors-custom .entry-footer .tags-links a:focus,
.colors-custom .entry-footer .tags-links a:hover,
.colors-custom .post-navigation a:focus,
.colors-custom .post-navigation a:hover,
.colors-custom .pagination a:not(.prev):not(.next):focus,
.colors-custom .pagination a:not(.prev):not(.next):hover,
.colors-custom .comments-pagination a:not(.prev):not(.next):focus,
.colors-custom .comments-pagination a:not(.prev):not(.next):hover,
.colors-custom .logged-in-as a:focus,
.colors-custom .logged-in-as a:hover,
.colors-custom a:focus .nav-title,
.colors-custom a:hover .nav-title,
.colors-custom .edit-link a:focus,
.colors-custom .edit-link a:hover,
.colors-custom .site-info a:focus,
.colors-custom .site-info a:hover,
.colors-custom .widget .widget-title a:focus,
.colors-custom .widget .widget-title a:hover,
.colors-custom .widget ul li a:focus,
.colors-custom .widget ul li a:hover {
	color: hsl( ' . $hue . ', ' . $saturation . ', 0% ); /* base: #000; */
}

.colors-custom .entry-content a,
.colors-custom .entry-summary a,
.colors-custom .comment-content a,
.colors-custom .widget a,
.colors-custom .site-footer .widget-area a,
.colors-custom .posts-navigation a,
.colors-custom .widget_authors a strong {
	-webkit-box-shadow: inset 0 -1px 0 hsl( ' . $hue . ', ' . $saturation . ', 6% ); /* base: rgba(15, 15, 15, 1); */
	box-shadow: inset 0 -1px 0 hsl( ' . $hue . ', ' . $saturation . ', 6% ); /* base: rgba(15, 15, 15, 1); */
}

.colors-custom button,
.colors-custom input[type="button"],
.colors-custom input[type="submit"],
.colors-custom .entry-footer .edit-link a.post-edit-link {
	background-color: hsl( ' . $hue . ', ' . $saturation . ', 13% ); /* base: #222; */
}

.colors-custom input[type="text"]:focus,