色づく

Verb

 * 1) to change color; to turn color
 * 2) to be imbued with a color
 * 3) to redden; to become red or become more red
 * 4) to ripen
 * 5) to grow ripe; to become ripe
 * 6) to cause to ripen; to induce ripening
 * 1) to grow ripe; to become ripe
 * 2) to cause to ripen; to induce ripening