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.

Did you know our free color tools?
Exploring the Role of Colors in Branding

Colors play an indispensable role in shaping a brand’s identity, influencing consumer perception and reaction toward a business. These elements provoke an array of emotions, guide decision-making processes, and communicate the ethos a brand emb...

Best Color Matches For Your Home Office

An office space thrives on high energy and positivity. As such, it must be calming, welcoming, and inspiring. Studies have also shown that colors greatly impact human emotions. Hence, painting your home office walls with the right color scheme is ess...

Why Every Designer Should Consider an IQ Test: Unlocking Creative Potential

The world of design is a vast and intricate space, brimming with creativity, innovation, and a perpetual desire for originality. Designers continually push their cognitive boundaries to conceive concepts that are not only visually enticing but also f...

The Ultimate Guide to Color Psychology and Conversion Rates

In today’s highly competitive online market, understanding color psychology and its impact on conversion rates can give you the edge you need to stand out from the competition. In this comprehensive guide, we will explore how color affects user...

How to Use CSS3 Gradients to Create Beautiful Web Backgrounds and Effects

Engaging your audience and increasing their time spent on the website is possible with CSS3 gradients. Your university website can really stand out with its visual appeal. CSS3 is useful when creating and formatting content structure in web design. Y...