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1 – 10 of 148
Article
Publication date: 13 September 2019

Asim Kumar Roy Choudhury and Biswajit Naskar

This paper aims to compare visual (Munsell) and instrumental (CIELAB) attributes of SCOTDIC colour standards.

Abstract

Purpose

This paper aims to compare visual (Munsell) and instrumental (CIELAB) attributes of SCOTDIC colour standards.

Design/methodology/approach

SCOTDIC cotton and polyester standards of defined hue, value and chroma were subjected to spectrophotometric assessment for finding the corresponding instrumental parameters. The visual and instrumental parameters were compared.

Findings

The correlation between SCOTDIC value and CIELAB lightness is quite high. Correlation coefficient between SCOTDIC hue and CIELAB hue angle and the correlation between SCOTDIC chroma and CIELAB chroma were only moderate because the CIELAB chroma varied widely at higher chroma. When the standards of SCOTDIC hues having erratic hue angles at two extremes are excluded, the Correlation coefficients between SCOTDIC hue and CIELAB hue angle become high.

Research limitations/implications

The psychophysical data (visual) are difficult to match with physical data (instrumental).

Originality/value

The object of the present research is to study and compare visual (Munsell) and instrumental (CIELAB) colorimetric parameters. Munsell scale is physically exemplified by SCOTDIC fabric samples available in two sets, namely, cotton and polyester sets.

Article
Publication date: 1 February 1999

W. Ray Crozier

Colour preferences have both scientific significance and relevance to manufacturers. Despite claims that these preferences are unsystematic and that saturation and brightness…

5940

Abstract

Colour preferences have both scientific significance and relevance to manufacturers. Despite claims that these preferences are unsystematic and that saturation and brightness exert more influence on judgements than hue, a substantial body of research suggests that the rank order of preference for hues ‐ blue, red, green, violet, orange, yellow ‐ emerges with some degree of consistency and, in particular, blue is regularly preferred to other hues. Five explanations of this trend are considered: preferences are simply conventional; blue is more neutral and less susceptible to extremes of judgement than other hues; preference for blue is a by‐product of more general principles; blue has largely positive associations; blue has an evolutionary significance. It is proposed that further investigation of the connotations of hues will provide insight into the pattern of colour preferences.

Details

Pigment & Resin Technology, vol. 28 no. 1
Type: Research Article
ISSN: 0369-9420

Keywords

Article
Publication date: 1 June 1973

Experience in the use of BS 2660 ‘Colours for building and decorative paints’ as a master range for co‐ordinating the colours of building materials, including those with patterned…

Abstract

Experience in the use of BS 2660 ‘Colours for building and decorative paints’ as a master range for co‐ordinating the colours of building materials, including those with patterned or textured surfaces, showed that its colours were too few and that its framework failed to ensure consistent relationships. A new range based on the attributes hue, greyness and weight, instead of the hue, value and chroma of the Munsell system, is published in DD17:1972 ‘Basic range for the co‐ordination of colours for building purposes’.

Details

Pigment & Resin Technology, vol. 2 no. 6
Type: Research Article
ISSN: 0369-9420

Article
Publication date: 19 August 2021

Ufuk Yılmaz, Ahmet Tutus and Sinan Sönmez

This study aims to examine the colour changes affecting inkjet prints after the recycling of papers.

Abstract

Purpose

This study aims to examine the colour changes affecting inkjet prints after the recycling of papers.

Design/methodology/approach

For recycling, papers prepared with the INGEDE 11p standard are recycled four times. Pulping, storage, flotation, beating and bleaching processes are applied for each recycling, respectively. Inkjet prints are made on the obtained test papers, and colour measurements are made using an X-Rite eXact spectrophotometer according to the ISO 13655:2017 standard. These processes are applied again to the papers which are recycled four times, and the results are analyzed. In addition, the values of ΔE00 ′, ΔL′, ΔHand ΔC′ are calculated according to ISO 11664-6:2014 standard by making some calculations according to obtained the Lab′ values.

Findings

It is determined that the ΔE00 value increases after each recycling in cyan magenta and yellow colour, whereas it decreases in black. The highest ΔE00 value is calculated after the fourth recycling stage is yellow with a value of 8.33. The lowest ΔE00 value detected is black with a value of 0.76 after the fourth recycling stage. This paper observes that the colour with the most variation in hue angle among recycling repetitions is black and the colour with the highest hue angle value is yellow. It is seen that repeating recycling causes increase in the chromatic values of the prints.

Originality/value

After the fourth recycling stage, colour changes have reached an important point and can cause important printing problems. In this case, the customer’s approval must be obtained to continue printing. This case is valid for ΔE00 values. Colour differences for print contrast, trapping and print chroma values are either not very important or are positive for quality.

Details

Pigment & Resin Technology, vol. 51 no. 3
Type: Research Article
ISSN: 0369-9420

Keywords

Article
Publication date: 1 January 2000

Ji‐Young Ea Ruckman and Jeong‐Wha Kim

To assess the distortion in colour matching occurring in the process from design of a fabric to printed output, a combined objective and subjective measurement methodology was…

Abstract

To assess the distortion in colour matching occurring in the process from design of a fabric to printed output, a combined objective and subjective measurement methodology was used. The results obtained from the spectrophotometer demonstrated that the hue and chroma of the printed copies differed from the originals. It was found that the perception of colour by fashion/textile designers mainly depends upon overall colour differences (▵E) rather than any individual factors such as lightness, chroma and hue.

Details

Journal of Fashion Marketing and Management: An International Journal, vol. 4 no. 1
Type: Research Article
ISSN: 1361-2026

Keywords

Article
Publication date: 2 March 2012

Maja Stanic, Branka Lozo and Diana Gregor Svetec

The purpose of this paper is to evaluate and discuss colour properties, stability and lightfastness after accelerated exposure in xenon‐arc light apparatus, of 3D ink jet prints…

1273

Abstract

Purpose

The purpose of this paper is to evaluate and discuss colour properties, stability and lightfastness after accelerated exposure in xenon‐arc light apparatus, of 3D ink jet prints produced by using 3D colour printing process.

Design/methodology/approach

3D colour prints were produced using ZCorporation 3D printing method. The samples were divided into groups according to the finishing process applied (untreated, finished with different infiltrants). Colorimetric properties were measured using spectrophotometer. Samples were placed into xenon‐arc based weathering apparatus (Xenotest), using the preset glass filtered sunlight, standard indoor conditions. Colour stability was evaluated as change in colour after repeating the spectrophotometer measurements and comparing spectral and specific colorimetric values of initial and exposed samples.

Findings

Based on methodology used, the analysis has shown the changes in colour appearance of differently finished 3D prints, which were mostly attributed to chroma and lightness variations. The colour stability of samples studied noticeably varied and is dependent on colour, percentage of ink coverage and finishing method. Issues of colour and stability of 3D ink jet prints could become important as 3D printing emerges into new application areas, in which the object properties will need to be maintained for a certain amount of time.

Research limitations/implications

The research is comparative and is limited to the specific materials and procedures used.

Originality/value

The paper describes aspects of colour 3D printing for which the published research and literature data are still, for the most part, lacking. Colour measurements methodology and evaluation of stability described could be of value for further research and for users of the technology.

Details

Rapid Prototyping Journal, vol. 18 no. 2
Type: Research Article
ISSN: 1355-2546

Keywords

Article
Publication date: 1 August 2015

Prof. Asim Kumar Roy Choudhury and Mr. Suman Mitra

Commercial natural dyes are quite costly as manufacturers are to follow multi-step extraction and purification procedures for standardisation purposes. Upon cost comparison, they…

Abstract

Commercial natural dyes are quite costly as manufacturers are to follow multi-step extraction and purification procedures for standardisation purposes. Upon cost comparison, they lose in the market to synthetic dyes. However, in the handicraft sector, reproducibility may be of lesser importance against cost. In the present study, a domestic method of dyeing silk with the aqueous extract of raw plant/tree components (flower, leave, bark and root) by using a natural mordant and alum will be described. Good dyebath exhaustion and washing and light fastness are observed for some of the natural colouring matters.

Details

Research Journal of Textile and Apparel, vol. 19 no. 3
Type: Research Article
ISSN: 1560-6074

Keywords

Article
Publication date: 28 May 2019

Catarina Lelis

The purpose of this paper is to identify the chromatic approaches in dynamic brand identities, describing and analysing new trends, patterns or shared strategies which seem to be…

Abstract

Purpose

The purpose of this paper is to identify the chromatic approaches in dynamic brand identities, describing and analysing new trends, patterns or shared strategies which seem to be taking place and renunciating the consistent use of corporate colours in some brands.

Design/methodology/approach

The research consisted of a qualitative visual content analysis, based on the comparison and scrutiny of 50 dynamic visual identities, verifying the changes that their colours would undergo in their numerous forms of representation and the symbolic associations these would carry. This analysis was performed using three different studies.

Findings

The results show that colour in dynamic brands does not follow any consistent pattern regarding its application and none of the most common colour harmonies seem to be an obvious strategic preference.

Practical implications

This research provides insights for brand managers to look at how this dynamic positioning can be successfully implemented without affecting recognition whilst establishing or maintaining customer loyalty, and for brand designers and marketers to clarify how brand guidelines will explain the usage of such colourful approaches.

Originality/value

This paper is a contribution to the knowledge of how a traditional visual element such as colour is being combined, deconstructed and reassembled in the context of modern visual identities. Three patterns are identified, and two of them draw attention to the apparent unnecessity of colour consistency and the way this may affect the relevance of colour in transmitting certain meanings.

Details

Journal of Product & Brand Management, vol. 28 no. 4
Type: Research Article
ISSN: 1061-0421

Keywords

Article
Publication date: 3 June 2019

Igor Tomasevic, Vladimir Tomovic, Predrag Ikonic, Jose Manuel Lorenzo Rodriguez, Francisco J. Barba, Ilija Djekic, Ivan Nastasijevic, Slavisa Stajic and Dusan Zivkovic

The purpose of this paper is to investigate the ability of the computer vision system (CVS) to evaluate the colour of poultry meat. The advantages of the CVS over traditional…

Abstract

Purpose

The purpose of this paper is to investigate the ability of the computer vision system (CVS) to evaluate the colour of poultry meat. The advantages of the CVS over traditional methods were also explored.

Design/methodology/approach

The research was carried out on m. pectoralis major samples of three animals for each of the following four species: chicken, turkey, duck and goose. The total colour difference (ΔE) and the degree of difference of hue, chroma and lightness between the methods were calculated. In addition, a trained panel of 14 people was used to carry out three different similarity tests analysed using χ2 one sample test and one-way ANOVA. The correlation coefficient between CVS and colourimeter measures was evaluated using the Spearman rank correlation test.

Findings

The total colour difference (ΔE) between the methods employed was so large that the generated colour(s) could be considered more opposite than similar. The CVS-generated colour chips were more similar to the sample of the meat products visualised on the monitor compared to colourimeter-generated colour chips in all (100 per cent) individual trials performed. The use of the colourimeter for colour evaluation of lighter coloured poultry meat (chicken and turkey) was unrepresentative.

Practical implications

In this study, a CVS was developed to measure the colour of poultry meat as an alternative to conventional colourimeters.

Originality/value

The research has demonstrated that the use of a CVS should be considered a superior alternative to the traditional method for measuring colour of chicken, turkey, duck and goose meat.

Details

British Food Journal, vol. 121 no. 5
Type: Research Article
ISSN: 0007-070X

Keywords

Article
Publication date: 30 December 2023

Baoru Ge and Yun Xue

Based on Kansei Engineering, this study obtained consumers' emotional preferences aiming to enhance the emotional connection between consumers and clothing to extend the service…

Abstract

Purpose

Based on Kansei Engineering, this study obtained consumers' emotional preferences aiming to enhance the emotional connection between consumers and clothing to extend the service life of clothing and realize sustainable clothing design.

Design/methodology/approach

Six Kansei word pairs that are the most important to consumers were identified through literature reviews, magazines, websites, card sorting of consumers and cluster analysis. Finally, the consumers scored the 32 product specimens through a 5-level rating semantic differential scale questionnaire of six Kansei word pairs. The researchers verified the consumers' emotional preferences through principal component analysis and established the relationship between Kansei words and design elements of color through partial least squares.

Findings

The study found consumers' emotional preferences: elegant, minimalist, formal, casual, mature, practical and distinctive style. Besides white, black, gray, blue, consumers will also like red and yellow-red in the future. The crucial findings of this study are to get recommended guidelines that consumers' emotional preferences match the corresponding design elements.

Originality/value

The study's findings can be used to style the design of men's plain-color shirts and guide online marketers and designers to design apparel that meets consumers' emotional needs to develop consumers' sustainability reliance on clothing. This study also explains the overall process and methodology for integrating consumer preferences and product design elements.

Details

Journal of Fashion Marketing and Management: An International Journal, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1361-2026

Keywords

1 – 10 of 148