英语翻译Subtractive color systems,such as the inks used in commercial printing processes and the dyes in photographic prints and transparencies,produce their range of colors by absorption,subtracting wavelengths of light rather than adding them t

英语翻译Subtractive color systems,such as the inks used in commercial printing processes and the dyes in photographic prints and transparencies,produce their range of colors by absorption,subtracting wavelengths of light rather than adding them t
英语翻译
Subtractive color systems,such as the inks used in commercial printing processes and the dyes in photographic prints and transparencies,produce their range of colors by absorption,subtracting wavelengths of light rather than adding them together.The subtractive primaries(cyan,magenta and yellow)are the opposites,or complementaries,of the additive primaries of light.Each of the subtractive primaries absorbs one of the additive primaries(thus cyan absorbs red,magenta absorbs green,and yellow absorbs blue),giving the widest gamut possible with just three colors.Just as combining different proportions of the additive primaries(red,green,and blue)allows millions of different colors to be produced,the overprinting of different amounts of cyan,magenta,and yellow also creates a large gamut of different colors.
For the process color illusion to work,the inks must be transparent,so that wherever they overprint the color seen is made up of all the colors present.Special colors,such as PANTONE colors,are normally opaque because they are not intended to overprint with other colors.(Inks are described as either opaque or transparent,although in practice they are never fully opaque or fully transparent.)
The process colors used in printing are formulated to have levels of absorbance close to the spectral response of the three types of cones in the retina of the eye.Overlaps in the cone responses and slight deficiencies in the pigments available to formulate the inks make the situation a little more complex,and corrections have to be made if the color balance of an original is to be reproduced accurately.
A midtone neutral gray is made up of approximately 50% cyan,40% magenta,and 40% yellow,although this varies slightly with different scanners and separation software.Equal values of the three colors,such as 50% cyan,50% magenta,and 50% yellow,would create a decidedly reddish color cast.Neutral gray is somewhat mor subjective:outside of Europe and North America,people sometimes prefer a different color balance,and nominate different proportions of cyan,yellow,and magenta to create a neutral gray.

英语翻译Subtractive color systems,such as the inks used in commercial printing processes and the dyes in photographic prints and transparencies,produce their range of colors by absorption,subtracting wavelengths of light rather than adding them t
减去的彩色系统,像是那墨水二手的在商业广告印刷程序和那颜料在照相的版和透明,农产品他们的范围颜色藉着吸收,减去波长光并非把他们凑合起来.减去的提名候选人的预选会 (蓝绿色,红紫色和黄色的) 是添加剂提名候选人的预选会的相对事物或互补光.每一个减去提名候选人的预选会吸收添加剂提名候选人的预选会 (如此蓝绿色吸收红色的,红紫色吸收绿色的,和黄色吸收蓝色) 之一,给对最宽的全音阶感到可能的只有三颜色.正如联合不同的比例添加剂提名候选人的预选会 (红色、绿色,和蓝色) 允许数以百万计的不同的颜色是生产,不同量蓝绿色,红紫色的套印,和黄色也产生一大的全音阶不同的颜色.
为那程序彩色幻影到工作,那墨水一定是透明的,所以无论哪里他们套印见到的颜色组成所有的那颜色礼物.像 PANTONE 颜色这样的特别颜色,通常是不透明物因为他们是不有意的到套印与其他的颜色.(墨水被描述为任一不透明物或者透明的,虽然在练习他们是从不完全不透明物或完全透明的.)
那程序颜色二手的在印刷是制定到有接近地吸光率消除到那光谱的回应那三类型圆锥体在网膜中那眼睛.重叠在圆锥体反应中和轻蔑缺乏在那色素可得的制定那墨水制造情形一一点点更多合成物,和订正有是制造如果颜色平衡一最初的是再生正确地.
midtone 中立者灰色大约 50% 蓝绿色、 40% 红紫色和 40% 组成黄色的,虽然这些微地因不同的扫描仪而改变和分离软件.对手价值像 50% 蓝绿色、 50% 红紫色和 50% 黄色这样的这三种颜色,会产生一无疑地微红的颜色阵容.中立者灰色是略微 mor 主观的:在欧洲的外面和北美,人有时偏爱不同的颜色平衡,而且提名的不同比例蓝绿色,黄色,和红紫色产生一中立者灰色