The two types of channel letter signs are face-lit channel letters and back-lit channel letters. Back-lit channel letters light from behind, creating a glowing halo effect. Face-lit channel letters provide a bright distinguishable identity in a wide array of colors, which can be customized in a multitude of ways. Sign Art also produces other custom forms of channel letters including face-lit, back-lit,  day/night channel letters, and exposed neon letters.