Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (05): 90-95.doi: 10.13475/j.fzxb.20200401007

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Study on color depth based on different formulas in Coloro color system

JIN Rui, ZHANG Yike, LI Rong()   

  1. College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
  • Received:2020-04-07 Revised:2021-04-17 Online:2021-05-15 Published:2021-05-20
  • Contact: LI Rong E-mail:lirong@dhu.edu.cn

RichHTML

15

PDF (PC)

112

Abstract:

To promote the application of Coloro color system in color related industries, different color depth formulas were used to analyze the color depth, and the relationship between the color depth and lightness values were studied based on the 3 500 color cards of the Coloro color system. The Munsell color system was used to check the iso-depth of the color system; then the color depth level of the color cards were evaluated by using the Gall formula and the ISO color depth standard. The Integ formula and color value were used to analyze the color depth of Coloro color system. The results show that the Coloro color system offers good iso-depth. The results of the 1/1 levels in the Gall and ISO standards are similar, and each level has its corresponding lightness value distribution area. The color depth value of the Coloro color card reduces as the value of the lightness label increases by the Integ formula and the color value, which indicates that the above formulas are not applicable to the evaluation of color depth of Coloro color system.

Key words: Coloro color system, iso-depth, Coloro lightness, color depth formulas, color depth

CLC Number: 

  • TP19

Fig.1

Relationship between lightness label value of Coloro color system and VM. (a)Linear relationship between lightness label value of Coloro color card and converted VM; (b)Linear relationship between the VM of some cards and their theoretical VM"

Fig.2

CV value of color depth of each isobaric color card"

Fig.3

Distribution of evaluating color depth of Coloro color card by using Gall's formula"

Tab.1

Statistical data for evaluating color depth of Coloro color cards using Gall's formula"

等级 色卡总数 Coloro明度
标号平均值		 Coloro明度
标号众数		 Coloro明度
标号中位数
1/1 848 36 27 32
1/3 841 46 36 43
1/9 624 58 55 55
1/25 1 009 74 75 75

Fig.4

Distribution of Coloro lightness corresponding to 1/1 standard depth. (a)ISO standardization;(b)Gall's formula"

Tab.2

Statistics of Coloro color depth grades for two evaluation standardizations"

评价标准 色卡总数 Coloro明度
标号平均值		 Coloro明度
标号众数		 Coloro明度
标号中位数
Gall公式 848 36 27 32
ISO标准 90 33 27 30

Fig.5

Curves of color depth value calculated by 4 formulas as a function of Coloro lightness label value. (a)Integ value formula;(b)A value formula;(c)S value formula;(d)W value formula"

Fig.6

CV value of color depth of color cards with same Coloro lightness label"

[1] 谢宛姿. 基于理论设计颜色深度客观评价公式[D]. 郑州:中原工学院, 2019:4.
XIE Wanzi. Designing objective color depth evaluation formulas based on theory[D]. Zhengzhou:Zhongyuan University of Technology, 2019:4.
[2] 徐海松. 颜色技术原理及在印染中的应用(十七) :第十四篇:色彩的数字化技术在印染工业中的应用和发展[J]. 印染, 2006,33(10):41-43.
XU Haisong. Color technology principle and its application in printing and dyeing(seventeen) chapter fourteen application and development of color digital technology in printing and dyeing industry[J]. China Dyeing and Finishing, 2006,33(10):41-43.
[3] GREENA P. Relating Munsell toother systems in an elastic colour solid[J]. Color Research & Application, 2018,43(6):815-826.
[4] SIVIK A H L. NCS-natural color system: a swedish standard for color notation[J]. Color Research & Application, 1981,8(3):129-138.
[5] KUEHNI R G. A structural comparison of the Munsell renotation and the OSA-UCS uniform color systems[J]. Color Research & Application, 2000,25(3):186-192.
[6] MARCUS R T. Determining dimensioned values of Kubelka-Munk seattering and absorption coefficients[J]. Color Research & Application, 1978,3(4):183-187.
[7] KOKHANOVSKY A A. Physical interpretation and accuracy of the Kubelka-Munk theory[J]. J Phys D-Appl Phys, 2007,40(7):2210-2216.
doi: 10.1088/0022-3727/40/7/053
[8] 杨红英, 杨志晖, 谢宛姿, 等. 国际上最重要的两个颜色深度标准的比较[J]. 染料与染色, 2019,56(2):54-58,62.
YANG Hongying, YANG Zhihui, XIE Wanzi, et al. Comparison of the two most important international color depth standards[J]. Dyes and Dyeing, 2019,56(2):54-58,62.
[9] MILOTTA F L M, TANASI D, STANCO F, et al. Automatic color classification via Munsell system for archaeology[J]. Color Research & Application, 2018,43(6):929-938.
[10] RADE P. The standard depth of shade in relation to the assessment of colorfastness of dyes on textiles[J]. Amer Dyestuff Rep, 1957,15(3):504-508.
[11] 王轩孙, 金远同, 黄唯炜. B公式:色深值求取方法[J]. 染料工业, 1978,21(5):26-41.
WANG Xuansun, JIN Yuantong, HUANG Weiwei. Formula B:method for obtaining color depth value[J]. Dye Industry, 1978,21(5):26-41.
[12] 方明. Integ值在评价染品深度上的应用[J]. 丝绸, 1984,19(2):51-53.
FANG Ming. Application of Integ value in evaluating the depth of dyed goods[J]. Journal of Silk, 1984,19(2):51-53.
[13] YANG H, XIE W, YANG Z, et al. Investigation on new color depth formulas[J]. Color Research & Application, 2019,44(5):730-739.
[14] 杨红英, 张靖晶, 杨志晖, 等. 计算机配色基础数据合理性的检验方法[J]. 中原工学院学报, 2019,30(3):11-17.
YANG Hongying, ZHANG Jingjing, YANG Zhihui, et al. Method for checking the rationality of computer color matching basic data[J]. Zhongyuan University of Technology, 2019,30(3):11-17.
[15] ROBINSON A, FAIRCHILD M D. Recreating the Munsell crayon color spectrum[J]. Color Research & Application, 2018,43(6):811-814.
[16] WOON L N. Practical application of browns and grays based on a vector concept:the practical strength the asymmetrical Munsell color space[J]. Color Research & Application, 2018,43(6):840-849.
[17] 叶程, 刘真, 吴光远, 等. 基于结构相似的CIE L*a*b*颜色信号向孟塞尔色序系统分级转换 [J]. 液晶与显示, 2016,31(6):626-633.
YE Cheng, LIU Zhen, WU Guangyuan, et al. Hierarchical conversion of CIE L* a* b* color signal to Munsell color sequence system based on similar structure [J]. Liquid Crystal and Display, 2016,31(6):626-633.
No related articles found!
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
No Suggested Reading articles found!
京ICP备14006648号
Copyright 2021 © Editorial office of Journal of Textile Research
Supported by Beijing Magtech Co.Ltd