themes-wordpress/seedlet/inc/wpcom-colors.php

<?php
require_once get_template_directory() . '/inc/wpcom-colors-utils.php';

seedlet_define_color_annotations(
	array(
		'background' => '#FFFFFF',
		'foreground' => '#444444',
		'primary'    => '#000000',
		'secondary'  => '#3C8067',
		'tertiary'   => '#FAFBF6',
	)
);