Brightness is the lightness or darkness of the colour, how close it is to either black or white You can control the brightness of a base colour by adding white or black, but this will lower the saturation With some colours you will need to compensate by adding another colour, such as yellow or a more saturated paint than that used for the base colour
Brightness is an optical quality of paper based on reflection of light from its surface Brightness is the percentage of incident light reflected from paper when the light source is at a 45 degree angle to the paper and the measuring device at a 90 degree angle The brightness of white and near-white papers can be considered as the whiteness of the paper as it appears to the eye Brightness affects the contrast, color values, and attractive appearance of a printed product
The brightness of a surface is measured in the candles per unit area It equals the product of the illumination per unit area and the reflectivity of the surface (reflection factor) divided by pi It is also measured in lamberts; 1 lambert is the equivalent of 1 lumen per square centimeter
The value of a pixel in an electronic image, representing its lightness value from black to white Usually defined as brightness levels ranging in value from 0 (black) to 255 (white)
- The degree of light reflected from the surface Measured by a reflectance meter
Measurement of the reflective quality of a medium Different brightness levels can cause changes in the appearance of colors on the medium, requiring adjustments in calibration to achieve optimum results
The overall intensity of the image The lower the brightness value, the darker the image; the higher the value, the lighter the image will be
Strictly speaking, a subjective impression of the lightness of an object The correct term for the measurable quantity of light reflected or produced by an object is luminance See also luminance
The attribute of visual perception in accordance with which an area appears to emit or reflect more or less light (this attribute of color is used in the color model HSB - Hue, Saturation, Brightness) See Lightness
Also called value, one of the three attributes of color (the other two are hue and saturation) Brightness describes differences in the amount of light reflected from or transmitted through an image regardless of its hue and saturation This is a difficult word to use in making color correction; it is used to indicate both the addition and subtraction of color Correctly used, it refers to the amount of light (paper white) apparent in an area In terms of paper, brightness is the light reflectance or brilliance of the paper at a specific wavelength, often perceived as whiteness Generally, the higher the brightness rating, the better quality the paper
The reflectance or brilliance of the paper when measured under a specially calibrated blue light Not necessarily related to color or whiteness Brightness is expressed in %
the perceived amount of light in a scene, corresponding roughly to the level of physical illumination See also surface lightness
The brightness of an extended luminous source is termed the intensity per unit area measured in candles per cm2 Also, the intensity of reflection; it may be measured in lamberts; one lambert equals 1 lumen/cm2
One of three dimensions of color; the other two are hue and saturation The term is used to describe differences in the intensity of light reflected from or transmitted through an image independent of its hue and saturation
1 The attribute of visual perception in accordance with which an area appears to emit more or less light
the location of a visual perception along the black-to-white continuum intelligence as manifested in being quick and witty
The visual sensation of the luminous power of a light beam, as opposed to scientifically measured power of the beam
The difference in intensity of the light reflected from or transmitted by a color image The hue of an object may be blue, but dark and light distinguish the brightness of one object from another
An attribute of visual perception in which a source appears to emit a given amount of light Note 1: "Brightness" should be used only for nonquantitative references to physiological sensations and perceptions of light Note 2: "Brightness" was formerly used as a synonym for the photometric term "luminance" and (incorrectly) for the radiometric term "radiance "
the quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun"
A measure of the overall intensity of the image The lower the brightness value, the darker the image; the higher the value, the lighter the image will be
– Brightness is a key indicator of paper quality It is measured by shining blue light on the paper, and finding out how much of the light is reflected
The brightness of a light source is defined as the power emitted per unit surface area per unit solid angle
The luminance of objects The brightness of any area of the subject is dependent on how much light falls on it and how reflective it is Brightness range is the relationship we perceive between the light and dark subjects in a scene Brightness contrast is a judgment of the relative measure of that range, such as high, low, or normal Brightness values are sometimes referred to as EV (exposure values), a combination of aperture and shutter speed Brightness values in the scene are translated to tonal values on film
made smooth and bright by or as if by rubbing; reflecting a sheen or glow; "bright silver candlesticks"; "a burnished brass knocker"; "she brushed her hair until it fell in lustrous auburn waves"; "rows of shining glasses"; "shiny black patents"
A bright light, object, or place is shining strongly or is full of light. a bright October day She leaned forward, her eyes bright with excitement. dull + brightly bright·ly a warm, brightly lit room The sun shone brightly. + brightness bright·ness An astronomer can determine the brightness of each star
If the future is bright, it is likely to be pleasant or successful. Both had successful careers and the future looked bright There are much brighter prospects for a comprehensive settlement than before. = promising bleak
full or promise; "had a bright future in publishing"; "the scandal threatened an abrupt end to a promising political career" having lots of light either natural or artificial; "the room was bright and airy"; "a stage bright with spotlights" emitting or reflecting light readily or in large amounts; "the sun was bright and hot"; "a bright sunlit room" having striking color; "bright greens"; "brilliant tapestries"; "a bird with vivid plumage" abounding with sunlight; "a bright sunny day"; "one shining norming"- John Muir; "when it is warm and shiny" splendid; "the bright stars of stage and screen"; "a bright moment in history"; "the bright pageantry of court" characterized by happiness or gladness; "bright faces"; "all the world seems bright and gay" characterized by quickness and ease in learning; "some children are brighter in one subject than another"; "smart children talk earlier than the average" made smooth and bright by or as if by rubbing; reflecting a sheen or glow; "bright silver candlesticks"; "a burnished brass knocker"; "she brushed her hair until it fell in lustrous auburn waves"; "rows of shining glasses"; "shiny black patents" clear and sharp and ringing; "the bright sound of the trumpet section"; "the brilliant sound of the trumpets
If someone looks or sounds bright, they look or sound cheerful and lively. The boy was so bright and animated `May I help you?' said a bright American voice over the telephone. = cheerful, lively + brightly bright·ly He smiled brightly as Ben approached
If you look on the bright side, you try to be cheerful about a bad situation by thinking of some advantages that could result from it, or thinking that it is not as bad as it could have been. British politician and noted orator who was a founder of the Anti-Corn Law League (1839)
A bright colour is strong and noticeable, and not dark. a bright red dress. the bright uniforms of the guards parading at Buckingham Palace. + brightly bright·ly a display of brightly coloured flowers. + brightness bright·ness You'll be impressed with the brightness and the beauty of the colors
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