0
Red is universally recognised as meaning danger - hence it means stop.
Yellow usually represents a warning - in signals - it means 'be prepared to act'
Green is accepted as the colour to mean everything is fine.
The colours may have had specific meanings but have probably been lost over time.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
How were the colors of the traffic lights were decided upon?
the 3 traffic colors red, green, and yellow were used by trains. So when cars needed similar signals, the colors were copied
What colors are used to make green?
Yellow and Blue.
What are the three colors used in identifying igneous rocks?
yellow green and red
What three colors are the primary colors?
In ART, they are red, blue, and yellow. In LIGHT, they are red, blue, and green (combined in various hues to create the colors as in a computer monitor or television. * The three composite colors used in printing (besides black) are yellow, cyan, and magenta.
What can the primary colors be used for in relationship to the rest of the color wheel?
the primar colors mixed together in pairs make secondary colors. Then secondary with primary made tertiary colors. primary: blue, red, yellow secondary: blue+red=purple(violet) blue+yellow=green red+yellow=orange tertiary: blue+purple=blue-purple red+purple=red-purple red+orange=red-orange yellow+orange=yellow-orange yellow+green=yellow-green blue+green=blue-green when naming tertiary colors - the primary color comes first.
What coloures make yellow?
Yellow and blue make green. Add more yellow to get a yellow-green. These colors will be intense, so you may have to lighten with white.
Which colors are known as primary colors?
Among artists red, yellow, blue are used as primary colors. For televisions and other CRT displays the primary colors normally used are red, green, and blue. For mixing of pigments or dyes, such as in printing, the primaries normally used are cyan, magenta, and yellow.
Does green and blue make yellow?
The answer to the question is NO. Recall the 3 primary colors, Red, Yellow, and BLUE. Recall what a Primary color is, "(a) color that has no other color to make it." So, knowing this you would know that Yellow and Green could not possibly make Blue. In fact Yellow and Green make a color similar to lime green or like baby poop green. Many people think that Yellow and Green make Blue but a Primary and a Secondary do Not make a Primary. So, next time you hear someone say that "Green and Yellow make Blue", correct them and tell them why.03/05/2010 addition: This is the primary color wheel of Pigment color (reflective light). It is Blue and Yellow that make Green.Umm, the 3 primary colors are red, green and blue. Yellow is a secondary color.03/05/2010 addition: This is the primary color wheel of Additive color (direct light). The answer is also NO. This color wheel is used for color TV, computer monitors, theater lighting, and so forth... It is Green and Red that make Yellow.Umm, the 3 primary colors are red, green and blue. Yellow is a secondary color.That is not necessarily so...it depends on what kind of uses the colors are used for...for example, Red, Yellow and Blue are traditionally the subtractive primary colors used mainly in art and art education...while Green is a secondary color created by mixing yellow & blue.But in the printing industry, Magenta & Cyan, along with Yellow are the 3 primary colors used.While in television & media industry, the 3 primary colors are Red, Green & Blue.So it all just depends on which industry these colors are used in.
What three flag colors have been used so often in African flags that they have become known as Pan-African colors?
yellow,green,and black
What colors are in the fireworks?
There are about 5 common different colors that are used, but they can come in most any color.
Why are red green and blue called primary colors?
these are not the typical primary colors, these are the ones used in displays, however, it is for the same reason. a certain amount of each of these colors, mixed together can get any other color. think about it, red and blue makes purple, then add more red, blue, or yellow (in your case green) to get even more colors. Red blue and green are used in displays, and displays show a pseudo yellow by showing alternating pixels of green and red, which appears on a display as yellow. however, with paints, green and red will make more of a brownish color (hence the Red, yellow, and blue).
What colors are used in falling down app?
Well it is green,yellow,maroon,gray,blue,purple,pink.
