Change color of title based on category

homepage_posts.php

<?php
// The Query
$the_query = new WP_Query( array( 'cat' => '3,4', 'posts_per_page' => 4 ) );

// The Loop
	if ( $the_query->have_posts() ) {

	while ( $the_query->have_posts() ) {
		$the_query->the_post();
		echo '<h4><a href="' . get_permalink($recent["ID"]) . '">' . get_the_title() . '</a></h4>';
		echo '<div class="post-meta">';
		echo the_time('F j, Y | g:i a');
		echo '</div>';
		echo '<p>' . get_the_excerpt() . '</p>';
	}

	/* Restore original Post Data */
	wp_reset_postdata();
} else {
// no posts found
}
?>