Pigment dispersion and toner

A pigment dispersion comprising a fluorescent agent and a binder resin,

• wherein the fluorescent agent is excited with light at a wavelength of 400 nm or less,
• wherein, when an integral value of an emission intensity in a wavelength range of 400 nm or more and 700 nm or less of an emission spectrum of the fluorescent agent for excitation light at a wavelength of 250 nm or more and 290 nm or less is represented by F1, an integral value of an emission intensity in a wavelength range of 400 nm or more and 700 nm or less of an emission spectrum of the pigment dispersion for excitation light at a wavelength of 250 nm or more and 290 nm or less is represented by F2, and a ratio of the fluorescent agent contained in a solid content obtained when the pigment dispersion is heated at 130° C. until a change in mass of the pigment dispersion reaches 0.3%/min or less is represented by W1 (mass%),
• the F1, the F2, and the W1 satisfy the following formulae (1) and (2).
• F2
• ×
• 100
• /
• W1
• ≥
• F1
• ×
• 0
• .30
• 5.0
• ≤
• W1
• ≤
• 80
• .0
• .