四色印刷(four-color printing),用减色法三原色颜色(黄、品红、青)及黑色进行印刷。如果采用黄、品红、青、黑墨四色墨以外的其他色油墨来复制原稿颜色的印刷工艺,不应将其称“四色印刷”而应称作“专色印刷”或“点色印刷”。 四色印刷是用红、绿、蓝三原色和黑色色料(油墨或染料)按减色混合原理实现全彩色复制的平版印刷方法。
一般专色印刷通常用于三色以下的印刷,假如需要四色以上的印刷,则选用CMYK四色印刷为宜。
General special color printing commonly used for the following three color printing, if need to more than four color printing, chooses CMYK printing is advisable.
在四色印刷中,这给色彩对准带来大麻烦,因为每次只能用一种颜色的墨,需要精确校准以避免套色不准及图示不清。
That played havoc with the color register for four-color printing, since the ink, applied one color at a time, required pinpoint calibration to avoid badly aligned, muddy illustrations.
利用复印机和计算机PS软件分色版,制作标准的四色印刷,PS中滤镜里彩色半调来制作的美柔汀分色技法。
Using the copier and computer PS software separations to make the standard four-color printing, PS in filters halftone creation of beauty-flexible ting separation techniques in color.
应用推荐