The Science of Colors: From Pigments to Perception

Why is the sky blue?

It all comes down to Rayleigh scattering!

Sunlight contains all colors, but shorter wavelengths—like blue—scatter more in the atmosphere.

This scattered blue light reaches our eyes from all directions, making the sky appear blue.

At sunrise and sunset, the light travels through more atmosphere, scattering blue away and leaving behind warm reds

and oranges.

Nature’s own color show!

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Did you know colors can change your mood?

Warm colors like red and yellow can boost energy and excitement, while cool colors like blue and green

promote calmness.

This is why fast-food chains often use red—it stimulates appetite!

Meanwhile, hospitals favor blue for its soothing effect.

Your brain associates colors with emotions, shaping how you feel in different environments.

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Ever wondered why some animals see colors differently?

Humans have three types of cone cells in their eyes, allowing us to see a wide range of

colors.

But birds and some insects have four cones, letting them see ultraviolet light!

Meanwhile, dogs only have two cones, making their world mostly blue and yellow.

Each species perceives color uniquely, shaping how they interact with their environment.

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Why do some colors fade over time?

It’s all about light and chemistry!

Sunlight, especially UV rays, breaks down the chemical bonds in pigments, causing colors to lose their vibrancy.

This is why old paintings and fabrics fade if exposed to too much light.

Scientists use special coatings and UV filters to preserve artwork and historical artifacts.

Understanding color chemistry helps us protect our most treasured visuals!

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Did you know your brain plays tricks on you with color?

Optical illusions like the dress debate—blue and black or white and gold?—happen because our brains adjust for lighting

conditions.

Your perception of color depends on context, surroundings, and even personal experience.

This is why two people can see the same color differently!

The science of perception is truly mind-bending.

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