Xanthene dye

A xanthene dye represented by General Formula (A5):

• in General Formula (A5), R20 to R23 each independently represent a hydrogen atom, an aliphatic hydrocarbon group, or an aromatic hydrocarbon group;
• and A represents an anionic moiety represented by any one of the following General Formula (AN-1) to (AN-4)):
• in General Formula (AN-1), * represents a bonding site to a xanthene structure;
• and Rf1 represents an aliphatic hydrocarbon group, a halogenated aliphatic hydrocarbon group, an aromatic hydrocarbon group, or a halogenated aromatic hydrocarbon group;
• in General Formula (AN-2), * represents a bonding site to a xanthene structure;
• and Rf2 represents a halogenated aliphatic hydrocarbon group;
• in General Formula (AN-3), * represents a bonding site to a xanthene structure;
• Rf3 represents an aliphatic hydrocarbon group, a halogenated aliphatic hydrocarbon group, an aromatic hydrocarbon group, or a halogenated aromatic hydrocarbon group;
• and B represents a substituent;
• and
• in General Formula (AN-4), * represents a bonding site to a xanthene structure;
• Rf4 represents a halogenated aliphatic hydrocarbon group;
• and B represents a substituent.