Notable differences attend the neutralization of the chromophoric and auxochromic groups.
chromophoric chro·mo·phor·ic (krō'mə-fôr'ĭk)
Of or relating to a chromophore.
Of or relating to microorganisms that produce or carry color.
chromophore chro·mo·phore (krō'mə-fôr') or chro·mat·o·phore (krō-māt'ə-)
A chemical group capable of selective light absorption resulting in coloration of certain organic compounds. Also called color radical.