An azo pigment selected from the group consisting of: an azo pigment represented by the following formula (1), which has: a characteristic X-ray diffraction peak at Bragg angles (2θ±0.2°) of 6.9°, 21,5°, and 27.3° in CuKα characteristic X-ray diffraction, a peak height at 11.9° of 0.6 or less relative to a peak height at 10.9° or a tautomer thereof, or a salt, hydrate, or solvate of the azo pigment or tautomer thereof; and an azo pigment represented by the following formula (1), which has: a characteristic X-ray diffraction peak at Bragg angles (2θ±0.2°) of 6.9°, 25.8°, and 27.1° in CuKα characteristic X-ray diffraction, a peak height at 10.9° of 0.2 or less relative to a peak height at 11.9° or a tautomer thereof, or a salt, hydrate, or solvate of the azo pigment or tautomer thereof.
                            从以下组中选择的偶氮
颜料:由以下公式(1)表示的偶氮
颜料,具有:在CuKα特征X射线衍射中Bragg角度(2θ±0.2°)为6.9°、21.5°和27.3°的特征X射线衍射峰,在11.9°处的峰高相对于10.9°处的峰高为0.6或更低,或其互变异构体的盐、
水合物或溶剂化合物;以及由以下公式(1)表示的偶氮
颜料,具有:在CuKα特征X射线衍射中Bragg角度(2θ±0.2°)为6.9°、25.8°和27.1°的特征X射线衍射峰,在10.9°处的峰高相对于11.9°处的峰高为0.2或更低,或其互变异构体的盐、
水合物或溶剂化合物。