What Colors Mean
Blue
Blue is the colour of the clear sky and the deep sea. On the optical spectrum, blue is located between violet and green.
Blue is the colour of light between violet and green on the visible spectrum. Hues of blue include indigo and ultramarine, closer to violet; pure blue, without any mixture of other colours; Cyan, which is midway on the spectrum between blue and green, and the other blue-greens turquoise, teal, and aquamarine.
Blues also vary in shade or tint; darker shades of blue contain black or grey, while lighter tints contain white. Darker shades of blue include ultramarine, cobalt blue, navy blue, and Prussian blue; while lighter tints include sky blue, azure, and Egyptian blue.
Blue pigments were originally made from minerals such as lapis lazuli, cobalt and azurite, and blue dyes were made from plants; usually woad in Europe, and Indigofera tinctoria, or True indigo, in Asia and Africa. Today most blue pigments and dyes are made by a chemical process.
* In ancient Rome, public servants wore blue. Today, police and other public servants wear blue.
* Blue was used as protection against witches, who supposedly dislike the color.
* If you are “true blue,” you are loyal and faithful.
* Blue stands for love, which is why a bride carries or wears something blue on her wedding day.
* A room painted blue is said to be relaxing.
* “Feeling blue” is feeling sad. “Blue devils” are feelings of depression.
* Something “out of the blue” is from an unknown source at an unexpected time.
* A bluebook is a list of socially prominent people.
* The first prize gets a blue ribbon.
* A blue blood is a person of noble descent. This is probably from the blueveins of the fair-complexioned aristocrats who first used this term.
* “Into the blue” means into the unknown.
* A “bluenose” is a strict, puritanical person.
* A “bluestocking” used to be a scholarly or highly knowledgeable woman.
* The pharaohs of ancient Egypt wore blue for protection against evil.
* “Blue laws” are used to enforce moral standards.
* A blue ribbon panel is a group of especially qualified people.
Source:
factmonster.com
Other Links:
Why Is The Sky Blue
What Is Color? How Is It Made?
