Have you ever paid attention to the color of the airplane seats? They’re almost always blue and there are very few exceptions to this rule. Some people think it reminds us of the sky. But the explanation isn’t that simple!

It is calming.

Color psychology plays an important role in selecting the fabric for airplane seats. “The idea is to help passengers feel at home, with relaxing colors and restful designs,” explained Shelly Zundell in a Boeing press release. 【小题1】 Blue is a calming color that suggests peace, calmness, and relaxation.

【小题2】

In a study reported by Popular Science, 48 percent of participants thought soda in a blue glass was more thirst-quenching (解渴的) than that served in glasses of other colors, probably because they connected blue with cold. Colors such as red and orange can make people feel warmer. Although it’s not unheard of, red is a less common color for airplane seats. 【小题3】

It is a universally well-liked color.

【小题4】 It’s a universal color that’s appealing to most. This is also the same reason why many brands have blue logos. People universally connect the color with positive things — such as clean water and blue skies — so they tend to like it. Across ages and across cultures, it’s the world’s favorite color.

The right shade hides stains (污渍) well.

Dark blue seats are also just practical. Imagine how many people sit in them per day. 【小题5】

Darker shades are better at hiding stains and don’t show their wear as easily. Those dark blue seats will look fresher and newer for longer.