A method of producing an organic pigment composition including at least organic pigment microparticles, wherein a diffuse reflectance of the organic pigment microparticles is controlled for the purpose of improving a luminance of a color filter. The luminance of the color filter is controlled to be high, by controlling a ratio of an area of the diffuse reflectance in a target wavelength range to a total area of the diffuse reflectance in the entire measurement wavelength range in a diffuse reflection spectrum of the organic pigment microparticles in the wavelength range of 380 to 780 nm, to be high. The luminance of the color filter is controlled to be high, by coating at least a part of the surface of the organic pigment microparticles with an oxide.

Provided are a coloring composition including a colorant, a polymerizable compound, and a photopolymerization initiator, in which the colorant includes a green pigment, a content of the green pigment in a total solid content of the coloring composition is 25% by mass or more, and the green pigment includes a compound which is a compound represented by Formula (1) and has a maximal absorption wavelength in a wavelength range of 620 to 730 nm; a film formed of the coloring composition; a color filter; a solid-state imaging element; and an image display device.

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A method of producing an organic pigment composition including at least organic pigment microparticles, wherein a diffuse reflectance of the organic pigment microparticles is controlled for the purpose of improving a luminance of a color filter. The luminance of the color filter is controlled to be high, by controlling a ratio of an area of the diffuse reflectance in a target wavelength range to a total area of the diffuse reflectance in the entire measurement wavelength range in a diffuse reflection spectrum of the organic pigment microparticles in the wavelength range of 380 to 780 nm, to be high. The luminance of the color filter is controlled to be high, by coating at least a part of the surface of the organic pigment microparticles with an oxide.

An electrochromic composition, an anti-peep film, and a display device are provided. The electrochromic composition includes an acid-sensitive dye, an electrogenic acid, an ionic liquid, and a solvent. The acid-sensitive dye is capable of switching between a transparent state and a colored state in accordance with a change of proton concentration in the electrochromic composition. The electrogenic acid is capable of producing protons under action of external electrons. The ionic liquid is composed of dissociated ions. When the proton concentration of the electrochromic composition is 0, the acid-sensitive dye is in the transparent state. When the proton concentration of the electrochromic composition is greater than 0, the acid-sensitive dye is in the colored state.

Provided is a colored resin composition which can be applied as a color filter of a solid-state imaging device capable of performing high-level imaging by not only spectrally splitting light in a visible region into three colors but also spectrally splitting infrared rays. The colored resin composition includes a colorant (A), a solvent (B), and a binder resin (C), and has a maximum transmittance in a specific wavelength region in a wavelength range of 400 to 900 nm. The colorant (A) includes a colorant having specific light absorbing characteristics and a near-infrared absorbing compound.