Neon™ Orange acoustic guitar strings with K3™ Technology DR NEON™ is applied to provide a long lasting string with a super bright glow. Bright in the day light, or under stage lighting. DR NEON™ strings "pop" in appearance, sparkle brightly, and are black light active plus glow amazing under UV lightning. Super bright colors that will sound clear, bright and musical and last like the coated strings they are.