Lighting Effects On Human Behavior

If we understand the daily life of the people, we will see that we are guided by Visual stimuli, ranging in day and night cycle from the moment you wake up until the night.These incentives vary according to the timetables and environments that we attend in various periods of the day. Similar to our daily cycle natural lighting has lower color temperatures in the range of 3000 k (reddish) earlier in the day where we have a quieter period.

By noon, the temperature is higher, in the range of 5000 k (white) where we should be at the peak of our activities. At dusk when the light level starts to download, we entered a period of less activity to the home.

Hence the importance of lighting in these various everyday situations. The color temperature is a determining factor in our attention and in showing objects and interpret the colors at different times. With this information, we can conclude that the higher the color temperature, increased irritability and increased our content. It also serves to areas where we need greater activity and attention, while the lower the color temperature suggests greater comfort and rest environments.

Color temperature: the unit of measurement is the Kelvin (K), in that the higher the temperature, the more clear it’s your tonality.We must not confuse this with the heat of the lamp, but with your color tone she emits to the environment.

According to zephyrledlights, there are studies in which the different colours and their shades can cause different sensations from stimuli to people, or suggest some situations. See examples below:

Red: strength, energy, love, leadership, happiness, danger, fire, passion, revolution;
Blue: harmony, confidence, conservatism, austerity, monotony, reliance, technology, freedom, health;
Cyan: tranquillity, peace, quietness, cleanliness, freshness;
Green: nature, spring, fertility, youth, development, wealth, good luck, hope;
Purple: speed, concentration, optimism, joy, happiness, idealism, wealth (gold), weakness, money;
Magenta: sophistication, sensuality, femininity, desire;
Violet: spirituality, creativity, royalty, wisdom, flamboyance.
Orange: energy, creativity, balance, excitement, luddism;
White: purity, innocence, reverence, peace, simplicity, sterility, surrender;
Black: power, modernity, sophistication, formality, fear, anonymity, mystery.
Brown: solid, safe, quiet, nature, rustic, stability, stagnation, weight, ruggedness.
Grey: elegance, humility, respect, reverence, subtlety;

In the following table we have the visible spectrum of colors and their frequencies:

Colors of the visible spectrum

On the effects of lighting, we can consider some important aspects such as: contrast, shadows, ofuscamentos and the environment.See below:

Blurring:

If the degree of illuminance of light source is too strong could cause glare or reflection on the object of work, causing some discomfort in the vision and not allowing a faithful ID you want to focus on. Influence also the proximity of the source and the visual angle.

Shadows:

In very depends on the opening of the focus of illumination. Once reaching directly the object in focus, may create areas of shading in the environment.

Contrast:

Jobs that require a high level of visual precision require a greater degree of contrast, which helps in a better identification of the object in focus.

Some colors can change the impression of the dimensions of a location. A simple example is the case of a floor and a ceiling of dark colors, which give impression of having a lower right leg.

Cool colors and clear the roof reflect more the lighting and the impression of a larger environment.

Focus :

We can improve the focus of illumination using light fixtures or systems that direct the beacon of light, when we want to emphasize a particular object. The use of lamps with mirrored background, for example, and conical shape.

Here are some tips to check if your lighting environment is according to the situations that we are dealing with and which items must be corrected:

-The lighting used is according to the environment of the tasks it carried out? Check the NBR-5413 about interior lighting and illumination levels.

-Program always a cleaning of luminaires and also the walls of the environment. The accumulation of dust and dirt reduces the yield of light fixtures.

-Check the environment according to the color that you want to highlight. Bearing the colours and their shades that were mentioned previously.

In a work environment there are people who are continuously in front of Windows. Put blinds or modify the position of this person, not to cause glare.

-In case of offices, it is important to organize the jobs so that the light is directed laterally on the work plan.

-Be attentive about the burning and exchanging lamps not to decrease the efficiency of the local lighting. Without forgetting how to discard the lamps burned obeying the criteria for each type of lamp.

Anyway, the light and its colors are part of our daily lives and everything that surrounds us.Are present in the information, signs, differentiation of circulation areas, types of environments for various activities.

A good lighting system is one that ensures light levels and ensuring visual comfort.

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