Color Encyclopedia


Do you love colors? Hex Color is a free color tool providing information about any color. Color Hex will also generate matching color schemes such as complementary, split complementary, analogous, triadic, tetradic and monochromatic colors. So you will be able to know what colors best suit with the one you chose. is a free service that provides information about any color, including conversions to many color models (RGB, CMYK, HSL, HSV, XYZ, xyY, CIELAB, CIELUV, CIELCH, Hunter Lab and YIQ). Schemes (harmonies), like complementary, split-complementary, triadic, tetradic, five-tone, clash, analogous and monochromatic colors can be found on each color page.

Understanding the Concept of Color

Color, in its essence, is a fundamental aspect of our visual experience and a key element in the design and nature of the world around us. But what exactly is color? It's not just a simple aspect of objects; rather, it's a complex perception that is created by the way our eyes and brain interpret different wavelengths of light.

The Science Behind Color

Color is the result of light striking an object and being reflected or absorbed. Light is made up of electromagnetic radiation of different wavelengths. The spectrum of these wavelengths is what we perceive as different colors. When light hits an object, some of its wavelengths are absorbed while others are reflected. The wavelengths that are reflected determine the color we see.

The Visible Spectrum

Humans can perceive a small range of the electromagnetic spectrum known as the visible spectrum. This range includes all the colors we can see. It spans from violet, which has the shortest wavelength, to red, which has the longest. Within this spectrum, each color corresponds to a different wavelength. Violet has the shortest wavelength, around 380 nanometers, while red has the longest, about 700 nanometers.

Color Perception

Color perception is subjective and can vary from person to person. It's influenced by various factors, including the lighting conditions, the material properties of the object, and our unique human biology. The eyes' photoreceptors, cones, and rods play a crucial role in color vision. Cones are sensitive to color and are responsible for our perception of color in well-lit conditions, while rods are more light-sensitive and allow us to see in low-light conditions but without color.

The Psychology of Color

Colors can evoke emotions and create atmospheres. They can stimulate, excite, depress, tranquilize, increase appetite, and create a feeling of warmth or coolness. This psychological effect of color significantly impacts art, marketing, design, and even day-to-day decisions.

Color in Art and Design

In art and design, color is used to create mood, establish harmony, and convey messages. Artists and designers use color theory principles to choose color schemes that achieve the desired response. The color wheel, color harmony, and the context of how colors are used are essential components of color theory.

Color is more than just a visual attribute of objects. It's a complex and fascinating phenomenon that combines the physics of light, the biology of the eyes, and the psychology of the human mind. Understanding color can not only enhance our appreciation of the world around us but also empower us in various domains of life and work.

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