What is “accurate” color?

2024/10/25

Color Color precision

What is color?

There are two types of cells in the retina of our eye that are responsible for our perception of color: rod and cone. Cones, which are sensitive to color, function best in bright light. They exist in three forms, each differing in the wavelength of light absorbed ( LMS ). Rods, on the other hand, are sensitive to the intensity of light. In the human eye, rod cells allow us to distinguish and detect objects in the dark; however, since their sensitivity to light is better than cone cells, our ability to perceive the color of objects in an area of low light becomes poor.

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What is light?

Color perception requires light. When light strikes objects, some are absorbed and some are reflected. The resulting color seen by the viewer is due to the reflected wavelengths. Wavelengths that can be seen by the human eye belong to the visible light portion of the electromagnetic spectrum. The colors range from short wavelengths to long wavelengths, starting with purple, followed by blue, green, yellow, orange, and ending with red.

Differences in Color Perception

Since there are slight biological variations between people, the way we perceive colors and recognize colors will vary, too. Hence, determining an object’s color becomes subjective. For example, take this box on the below, some may refer to its color as blue, some may say it appears green, and for the color critical person, they may say cyan. To provide an accurate description of an object’s color would be highly impossible for the average individual.

We must rely on quantitative methods to accurately communicate and document an object’s color. Color space is the term we use to collectively define the range of colors that is displayed on monitors, produced by printers, or that can be captured by cameras, to name a few. Commonly used color spaces include RGB, CMYK, HSV, CIEXYZ, CIEL*a*b*.

True color, then, is an accurate color representation of the original image in reality.

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Definition of “Accurate Colors” on a Photographer Monitor | BenQ

Colorchecker and Delta E can help measure color and define color difference to define color accuracy on a photographer monitor

Who needs color management?

Designers such as graphic designers, multimedia designers, web designers and other creative professionals who create visual concepts by using computer software need color management. Color management can help them communicate more effectively.

What is a Calibration Report and How to Read the Report?

One very different aspect from professional monitor monitors, like BenQ PhotoVue Photographer Monitor SW series and DesignVue Designer Monitor PD series, than other consumer monitors is that every professional monitor comes with a factory calibration report.

Why are colors reproduced differently between devices?

Color management is the process by which color standards and hardware/software calibration devices are used to reduce the color differences among devices so colors are reproduced accurately.

How do We Define ‘Accurate’ Color?

How do We Define ‘Accurate’ Color? How we could quantify color in an ‘accurate’ fashion? Before jumping into this topic, let’s talk why the quantification of color is important…

What is The Best Monitor Panel for Photographers?

How should photographers choose a monitor that can fulfill their demands for photo editing and printing?

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