Definition in Contemporary Chinese Dictionary (CCD)

yán (颜)

(1) face, facial expression, countenance (2) face; prestige; (3) color; (4) a family name

sè (色)

(1) color; (2) look, countenance, facial expression; (3) kind, description; (4) scene, scenery; (5) the quality of object, especially precious metals, goods, etc; (6) a woman’s beautiful looks; (7) lust, sexual desire; (8) a family name

yán-sè (颜色)

(one sub-entry of yán (颜))

(1) color perceived by sensors (2) (written) countenance; (3) facial expression; (4) a lesson (to teach somebody) or a countenance (to show your emotion)