The effect is strongest with red and blue, but it can also happen with other colors, for example, red and green. These color combinations can be hard and tiring to look at or read. Figure 10.1 shows some examples of chromostereopsis. Avoid putting blue and red or green and red near each other on a page or screen.
Colors with shorter wavelengths (blues especially) tend to produce more eye strain than colors with longer wavelengths (like red and orange).
Some say yellow. Pure, bright lemon yellow generally is considered the most fatiguing color. The reason is that since more light is reflected by bright colors, the result is excessive stimulation of the eyes, hence, eye irritation.
The sun is the biggest source of blue light, and there are smaller sources like TVs, certain light bulbs, smartphones, tablets, and laptops. Looking at too much blue light can make your vision blurry, and your eyes tired, and might even lead to eye problems like macular degeneration and cataracts.
As mentioned earlier, lighter-colored eyes may mean an increased risk for skin cancer. Research has also found that those with hazel, green, or blue eyes have a higher risk of melanoma of the uvea — the middle layer of the eye, which includes the iris — than their darker-eyed peers.
Primary colors: red, blue and yellow
Blue, red, and yellow are all primary colors, which means that when combined they give birth to all the other colors of the color wheel. They are the main colors and the eye loves them.
The human eye is much more sensitive to yellow-green or similar hues, particularly at night, and now most new emergency vehicles are at least partially painted a vivid yellowish green or white, often retaining some red highlights in the interest of tradition.
Soft, muted colors like gentle blues, greens, and neutrals can be excellent choices as they're less likely to stimulate your brain and more likely to promote a restful environment. Light pinks and lavender can also be soothing, as long as they're soft and not too bright or intense.
Studies have shown that warm white or soft white lights in the 2700K-3000K (Kelvin) range can help reduce eye strain and improve sleep quality, making them the perfect choice for cozy reading nooks and bedroom study sessions.
The three primary colors are blue, red, and yellow. These hues cannot be created by blending or mixing any other colors.
It's simple, but its prescriptive nature leads to a handful of colour combinations which are popularly held to be a bad idea: blue with green, pink with red… pretty much anything involving purple.
And when it comes to the color which catches our attention the most, you might be surprised to find that it's not red, blue, or even green. In fact, it's yellow. It attracts the eye easily and is often associated with happiness, positivity, and optimism.
The rarest eye colors are red and violet, which are primarily found in individuals with albinism. Excluding those affected by albinism, green and gray eyes are considered the most uncommon.
In a website poll of over 66,000 respondents, 20% said green was the most attractive, followed by hazel and light blue at 16%. Brown was far and away voted the least attractive (6%).
Blue is renowned for its calming properties. It's often used to reduce stress and anxiety, create a sense of tranquility, and aid in sleep.
The color yellow elicits a feeling of comfort, while red tends to make people feel more hungry and impulsive. Marketing experts refer to the pairing of yellow and red as the "Ketchup and Mustard Theory."
Harvard Medical School researchers at Beth Israel Deaconess Medical Center have found that exposing migraine sufferers to a narrow band of green light significantly reduces photophobia and can reduce headache severity. The study was published May 17 in Brain.
One study found that the most attractive colour a person can wear is black, with pink and yellow coming in second and third, respectively. However, red seems to have a special effect in increasing the attractiveness of women, as it's associated with passion and desire.
The best color combinations are black text on white or slightly yellow background. Reduce the brightness and lower the temperature on your screens. Turn down the brightness until you find a setting that does not put any strain on your eyes.
The human eye's likely to see yellow or a very bright green first. That's because of several reasons. Yellow is a very contrasting color compared to the more common blue and green we see in nature. It is also a highly saturated color by itself.
What Is the Most Attractive Eye Color Overall? The results of another large eye color survey mirrored those from the experiment detailed above. The responses in this case indicated that light-colored eyes — green, gray, blue, and hazel — are considered the prettiest eye colors overall.
Shades of Blue and Green
“Light sages and light sky blues are often associated with spa-inspired rooms. There's also some scientific research indicating that due to the short wavelengths of cooler colors and how our cones perceive them, greens and blues are the most relaxing to our eyes,” she says.
We tested whether eye color influences perception of trustworthiness. Facial photographs of 40 female and 40 male students were rated for perceived trustworthiness. Eye color had a significant effect, the brown-eyed faces being perceived as more trustworthy than the blue-eyed ones.