DR Strings NGB-40 Coated Nickel Bass Guitar Strings, Light Go to amazon.com Related posts The 16 best bass strings 40-100 2022 FeatureLuminescentLong LastingNo loss of tone DescriptionNEON Hi-Def Green Bass 40-100. Super bright colors that will sound clear, bright and musical. NEON's are 100% black light active and will glow under ANY UV light source.