All about color and light so you can use them to your advantage

Color y luz

In this article, we will discuss the theory of color and light and its importance in aspects such as photography, but without forgetting some basic concepts about lights, shadows and how the perceptive process of colors is for the human eye.

How do humans see color and light?

Light enters the eye onto the retina, which is located at the back of the eye.

The retina is covered with millions of photoreceptor cells called rods and cones. When these cells detect light, they send signals to the brain. Most people have three types of cones and each color stimulates more of a cone.

Their combined response produces a unique signal for each color, and in this way millions of different colors can be distinguished. These cells work with connecting nerve cells to provide the brain with enough information to interpret and name colors.

Color theory is an important part of photography.

It helps us understand how colors interact with each other, and how they affect our perception of objects and scenes. Understanding color theory will help you create better images.

The color spectrum

Sunlight is made up of visible colors, generally divided into: red, orange, yellow, green, blue, indigo, and violet.

This mixture is called white light. When white light strikes a white object, it appears white to us because it does not absorb any colors, but rather reflects all colors equally.

When it hits a colored object, light of that color is reflected. A black object absorbs all colors equally and does not reflect any colors, so it appears black to us. Impressive how we perceive color, right?

The Importance of Light and Shadow

Light and shadows play a major role in creating mood and atmosphere in photographs. They can make or break a photo.

If you’re not familiar with them, now’s the perfect time to learn more!

Understanding the Color Wheel

A color wheel is an easy way to understand how colors work together. It helps us see how different hues relate to each other.

Using Color as an Element of Design

There are three main ways to use color in design: hue (the actual color), value (lightness/darkness) and saturation (purity).

Hue refers to the actual color itself, while value refers to how light or dark something appears. Saturation refers to how pure or vivid the color appears.

Creating Compelling Images with Color

A good understanding of color theory will help you understand what makes an image compelling. It’s not just about making things look pretty; there are other reasons why images work.

For example, when people see an image that has strong colors, they tend to pay more attention to it than one that has weak colors. This is because our brains are wired to notice differences between objects.

The Importance of Color Theory

Understanding how colors interact with each other is essential to creating compelling images.

There are three main ways that colors affect each other: contrast, harmony, and intensity.


Contrast refers to the difference between two colors. If you take a photo of a red apple against a green background, the apple would appear much brighter than the background. That’s because the apple stands out against the green.


Harmony refers to the relationship between different colors. Red and blue make up the primary colors of the spectrum.

They’re opposite each other on the color wheel. So, if you mix them together, you get purple.


Intensity refers to the brightness of a color. You can use this concept to manipulate the appearance of an object by changing the hue (color) of the object. For example, if you add yellow to a red apple, it becomes orange.

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