有次想起，為甚麼眼科醫生建議休息眼睛時多遠望綠色植物？為甚麼是綠色？上網查找資料，始知解釋大致是：綠色這種顏色的波長 (wavelength) 對眼睛最舒適！
以往也曾聽聞藍色令人放鬆、紅色令人提高警覺；金銀等反光顏色，以及紅、粉紅、橙、黃等鮮艷顏色，會自然地吸引腦部注意，成為嬰兒及小孩恩物；金銀鑽石，因而吸引眼球，成為飾物的主角。
這樣說來，望望四周的大自然，看來各種景物的顏色均經巧妙安排，並配合人的腦部運作！
小時上美術課，不是說紅色與綠色不能配搭嗎？但紅花綠葉又如何？如果葉不是綠而是紅，會帶來一個怎樣的世界？
在郊野，青山伴綠水，藍天配白雲、藍天下有雪山、藍海中有白浪；藍、綠、白都是好拍擋。
在日出日落時，金、銀、紅、黃等霞光水色，都被黑色襯托得更突出迷人。
現在以數碼攝影配合背光明亮的屏幕，拍攝晨昏的海水，原來被太陽照耀得金波絢麗、銀海奪目。
萬物皆非偶然，大自然的色彩，看來一定經過精心設計吧！Color design in nature
I once asked myself a question, “Why do
ophthalmologists give the recommendation of looking at distant green plants in order to relax the eyes?” Why is it green and not other colors?
In the past, I have also heard of the theory that the blue color is relaxing while red makes people alert; reflective colors like gold and silver, as well as sharp colors like red, orange, yellow, and pink would naturally attract the brain’s attention, and thus these are attractions to babies and children; while gold, silver, and reflective diamonds are attractive and thus used for jewelry.
So it seems that all colors in nature are arranged perfectly and coordinate with the function of the human brain.
If the sky and the sea were not blue but red all day like sunrise and sunset, what would be the psychological effect on human beings?
When we were small, we learnt that red and green wouldn’t match with each other, but how about plants with red flowers and green leaves? If leaves were not green but red, what effect would it cause?
In the countryside, we could see green hills, white or green streams, blue sky, white clouds, white snow-capped mountains. Blue, green, and white are perfectly matched.
During dawn and dusk, the golden and silver, red and yellow colors of the sky also match perfectly with the dark background.
Thanks to the digital cameras and backlit screens, sea water turns golden and silvery as it reflects the rays of the rising and setting sun.
In the past, I have also heard of the theory that the blue color is relaxing while red makes people alert; reflective colors like gold and silver, as well as sharp colors like red, orange, yellow, and pink would naturally attract the brain’s attention, and thus these are attractions to babies and children; while gold, silver, and reflective diamonds are attractive and thus used for jewelry.
So it seems that all colors in nature are arranged perfectly and coordinate with the function of the human brain.
If the sky and the sea were not blue but red all day like sunrise and sunset, what would be the psychological effect on human beings?
When we were small, we learnt that red and green wouldn’t match with each other, but how about plants with red flowers and green leaves? If leaves were not green but red, what effect would it cause?
In the countryside, we could see green hills, white or green streams, blue sky, white clouds, white snow-capped mountains. Blue, green, and white are perfectly matched.
During dawn and dusk, the golden and silver, red and yellow colors of the sky also match perfectly with the dark background.
Thanks to the digital cameras and backlit screens, sea water turns golden and silvery as it reflects the rays of the rising and setting sun.
So sure enough, the colors in nature are well designed and not a coincidence.
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