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印前常識1.印刷色彩

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-01-05 | 703 Views | Share:
印前常識1.印刷色彩

印前常識1.印刷色彩

CMYK是四色印刷的英文縮寫,C代表青色,M代表品紅色,Y代表黃色,K代表黑色。按照色彩學的原理,品紅、黃已經能混合出豐富的色彩了,但由於顏料的性能承印物的特點、光線的漫反射等因素,用這三種色彩往往很難還原灰、黑層次,要添加一個黑色版才能使色彩層次更為豐富、清晰度更高。由於這四種顏色具有很好的混合性能以復制出相對豐富的色彩,所以成為印刷的四種原料色。大部分四色印刷的色彩都可以顯示在屏幕上,但屏幕上的色彩不一定都能印刷出來,所以要知道屏幕上的色彩和印刷出來的色彩是不能完全一樣的。要想印刷出理想的色彩必須依靠四色色標或專色色卡。

專色印刷是指四色以外的專門印刷某種色彩的單獨色板。專色通常應用於大面積實地的色塊或圖形印刷,由於沒有四色網點的疊加,顏色更加飽和,形狀可以更加精細,表現力更強,也可以作為添加特殊色彩的表現手段,如金、銀、白等色。書籍設計中,可以在幾個特殊的印張中適當地運用專色,會給書籍增添意想不到的魅力,如封面、扉頁、篇章頁等。專色印刷可以節約一定的費,如果掌握特點,運用得好,可以設計、印刷出質量更高的書籍.

作為設計者要瞭解印刷的色彩原理,才能有效地準備圖片及設計資料,準確地表現書籍中的所有色彩.

印前常識1.印刷色彩
印前常識1.印刷色彩

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