colour - definition. What is colour
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CHARACTERISTIC OF VISUAL PERCEPTION
Colour; Colours; Colourful; Color list; Colors; Colo(u)r; Colur; Colorful; Colour or Color; User:OfficialMrCoda/sandbox; Science of color
  • Additive color mixing: combining red and green yields yellow; combining all three primary colors together yields white.
  • Adobe RGB]]. The triangle shows the [[gamut]] of Adobe RGB. The [[Planckian locus]] is shown with color temperatures labeled in [[Kelvin]]s. The outer curved boundary is the spectral (or monochromatic) locus, with wavelengths shown in nanometers. The colors in this file are being specified using Adobe RGB. Areas outside the triangle cannot be accurately rendered since they are outside the gamut of Adobe RGB, therefore they have been interpreted. The colors depicted depend on the gamut and color accuracy of your display.
  • Twelve main pigment colors
  • [[Pencil]]s shown in various colors
  • Normalized typical human [[cone cell]] responses (S, M, and L types) to monochromatic spectral stimuli
  • The upper disk and the lower disk have exactly the same objective color, and are in identical gray surroundings; based on context differences, humans perceive the squares as having different reflectances, and may interpret the colors as different color categories; see [[checker shadow illusion]].
  • Subtractive color mixing: combining yellow and magenta yields red; combining all three primary colors together yields black.
  • ventral stream]] (purple) are shown. The ventral stream is responsible for color perception.
  • The visible spectrum perceived from 390 to 710 nm [[wavelength]]

colour         
see color
Colour         
·noun ·see Color.
colour         
(colours, colouring, coloured)
Frequency: The word is one of the 700 most common words in English.
Note: in AM, use 'color'
1.
The colour of something is the appearance that it has as a result of the way in which it reflects light. Red, blue, and green are colours.
'What colour is the car?'-'Red.'...
Her silk dress was sky-blue, the colour of her eyes...
Judi's favourite colour is pink...
The badges come in twenty different colours and shapes.
N-COUNT: usu with supp
2.
A colour is a substance you use to give something a particular colour. Dyes and make-up are sometimes referred to as colours.
...The Body Shop Herbal Hair Colour...
It is better to avoid all food colours.
...the latest lip and eye colours.
N-VAR
3.
If you colour something, you use something such as dyes or paint to change its colour.
Many women begin colouring their hair in their mid-30s...
We'd been making cakes and colouring the posters...
The petals can be cooked with rice to colour it yellow.
VERB: V n, V n, V n colour
colouring
They could not afford to spoil those maps by careless colouring.
N-UNCOUNT
4.
If someone colours, their face becomes redder than it normally is, usually because they are embarrassed.
Andrew couldn't help noticing that she coloured slightly.
= blush
VERB: V
5.
Someone's colour is the colour of their skin. People often use colour in this way to refer to a person's race.
I don't care what colour she is...
He acknowledged that Mr Taylor's colour and ethnic origins were utterly irrelevant in the circumstances.
N-COUNT: usu sing, oft poss N [politeness]
6.
A colour television, photograph, or picture is one that shows things in all their colours, and not just in black, white, and grey.
In Japan 99 per cent of all households now have a colour television set.
ADJ: usu ADJ n
7.
Colour is a quality that makes something especially interesting or exciting.
She had resumed the travel necessary to add depth and colour to her novels.
N-UNCOUNT
see also local colour
8.
If something colours your opinion, it affects the way that you think about something.
The attitude of the parents toward the usefulness of what is learned must colour the way children approach school.
= affect
VERB: V n
9.
A country's national colours are the colours of its national flag.
The Opera House is decorated with the Hungarian national colours: green, red and white.
N-PLURAL
10.
People sometimes refer to the flag of a particular part of an army, navy, or air force, or the flag of a particular country as its colours.
Troops raised the country's colors in a special ceremony.
...the battalion's colours.
N-PLURAL: poss N
11.
A sports team's colours are the colours of the clothes they wear when they play.
I was wearing the team's colours.
N-PLURAL
12.
13.
If you pass a test with flying colours, you have done very well in the test.
So far McAllister seemed to have passed all the tests with flying colors.
PHRASE: PHR after v
14.
If a film or television programme is in colour, it has been made so that you see the picture in all its colours, and not just in black, white, or grey.
Was he going to show the film. Was it in colour?...
PHRASE: v-link PHR, PHR after v
15.
People of colour are people who belong to a race with dark skins.
Black communities spoke up to defend the rights of all people of color.
PHRASE: n PHR [politeness]
16.
If you see someone in their true colours or if they show their true colours, you realize what they are really like.
The children are seeing him in his true colours for the first time now...
Here, the organization has had time to show its true colours, to show its inefficiency and its bungling.
PHRASE: PHR after v

ويكيبيديا

Color

Color (American English) or colour (Commonwealth English) is the visual perception based on the electromagnetic spectrum. Though color is not an inherent property of matter, color perception is related to an object's light absorption, reflection, emission spectra and interference. For most humans, color are perceived in the visible light spectrum with three types of cone cells (trichromacy). Other animals may have a different number of cone cell types or have eyes sensitive to different wavelength, such as bees that can distinguish ultraviolet, and thus has a different color sensitivity range. Animal perception of color originates from different light wavelength or spectral sensitivity in cone cell types, which is then processed by the brain.

Colors have perceived properties such as hue, colorfulness (saturation) and luminance. Colors can also be additively mixed (commonly used for actual light) or subtractively mixed (commonly used for materials). If the colors are mixed in the right proportions, because of metamerism, they may look the same as a single-wavelength light. For convenience, colors can be organized in a color space, which when being abstracted as a mathematical color model can assign each region of color with a corresponding set of numbers. As such, color spaces are an essential tool for color reproduction in print, photography, computer monitors and television. The most well-known color models are RGB, CMYK, YUV, HSL and HSV.

Because the perception of color is an important aspect of human life, different colors have been associated with emotions, activity, and nationality. Names of color regions in different cultures can have different, sometimes overlapping areas. In visual arts, color theory is used to govern the use of colors in an aesthetically pleasing and harmonious way. The theory of color includes the color complements; color balance; and classification of primary colors (traditionally red, yellow, blue), secondary colors (traditionally orange, green, purple) and tertiary colors. The study of colors in general is called color science.

أمثلة من مجموعة نصية لـ٪ 1
1. An interviewer reported the person‘s skin colour using an 11–point scale where 0 represented the absence of colour and 10 represented the darkest possible skin colour.
2. All the different types of stories where the protagonists were black but the story was not about their colour, their whole colour and nothing but their colour.
3. "A few years ago, ‘A1‘ was seen as a good colour here – it was a light, creamy–yellow colour.
4. Intensity of colour, meaning death and transience.
5. Usually as an artist, you can create any colour you want, but with this you have to stick with the colour of the stamp," he said.