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Vol.35, No.0, 65 ~ 77, 2012
Title
Comparison of physical quantity of poster color and visible-quantity due to the gradation - Mainly by the experiment with poster color for colorist practical work of Shinhanart Corp.-
차순실 Cha Soon-shil
Abstract
The study on a color starts in developing an ability of analyzing, expressing and delivering the color accurately and objectively. When you want to know the brightness of a color, you can find a visual comparison method that is used the most generally, which is called gray scale, the standard of brightness-scale and color-standardization. Accordingly, this research made a gray scale that equally increased physical quantity of the poster color(designers gouache) by the value scale between N9.5∼N1.5, also made a gray scale that maintains visual equal-interval and colored it with spectro-colorimetry, also this study would like to suggest the mixture quantity of poster color by brightness-step of gray scale according to the change of visual equal-interval. The result of research shows that in using poster color with gray scale which maintains visual equal-interval, mixture quantity of white and black is not increase in gradual arithmetical progression but in geometric progression and the result of an experiment, and according to the result, suggests the distribution chart of white and black is N9.5(100:0), N9(99:1), N8(95:5), N7(82:18), N6(62:38), N5(44:56), N4(28:72), N3(16:84), N2(7:93), N1.5(0:100) by phased brightness-step. Thus, this study expects to re-colorist who study color, it can be used as a consistent and efficient color educating data through a certain standard-mixing suggestion.
Key Words
그레이스케일, 물리량, 시감량, Gray scale, Physical quantity, Visible-quantity
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