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Journeys into colour space

Voyages dans l’espace des couleurs

Reisen in die Welt der Farbe

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Surface Coatings International Part B: Coatings Transactions

Summaries

Modern cosmology underlines the complexity of space time whose full description requires multidimensions and relativity. The objective-subjective world of colour space may seem equally complex, and the continued development of colour order systems is a testimony to this. Navigation in colour or physical space requires answers to such questions as where are we now, where do we want to go, and how do we get there? Colour derived from pigments has both intrinsic and extrinsic character. As a consequence of the latter, just about every aspect of colour delivery including dispersion, dilution, reduction, drying and shearing can take the hue in a different direction within the chosen colour space. Understanding the practical implications of this is an important aspect of colour delivery with a direct bearing on comparing and optimising products or processes.

[This paper introduced a Seminar on Colour Delivery held at Leeds University, April 2002]

Résumé

La cosmologie moderne souligne la complexité de l’espace-temps, ce phénomène dont une description complète fait appel aux multi-dimensions et à la relativité. Le monde objectif-subjectif de l’espace des couleurs pourrait paraître aussi complexe à son tour, proposition qui est confirmé par l’évolution continue des systèmes de couleurs. Pour naviguer dans l’espace des couleurs comme dans l’espace physique il faut répondre à de telles questions que « Où sommes-nous à cet instant? », « Où voulons-nous aller? » et « Qu’est-ce qu’il faut faire pour arriver à ce point? ». Les couleurs qui sont dérivées des pigments ont un caractère intrinsèque et extrinsèque. Par conséquent de ce dernière, presque chaque aspect de la livraison d’une couleur, y compris la dispersion, la dilution, la réduction, le séchange et le cisaillement, peut mener la couleur dans une direction différente, au sein de l’aire choisie de l’espace des couleurs. Comprendre les implications pratiques de cela est un aspect important de la livraison des couleurs, aspect qui a une pertinence directe dans le domaine de la comparaison et l’optimalisation de producits et de procédés.

[Cet article inaugura un séminaire au sujet de la livraison des couleurs à Leeds University, avril 2002]

Zusammenfassung

Moderne Astronomie zeigt uns, daß der Weltraum so komplex ist daß wir komplizierte Theorien wie Multi-Dimensionen und die Relativitätstheorie brauchen um ihn zu verstehen. Die objektive/subjektive Welt der Farbe ist genauso komplex.

wie die ständige Weiterentwicklung unserer Farbordnungssysteme beweist. Um sich in der räumlichen wie in der farblichen Welt zurechtzufinden, müssen wir die folgenden Fragen beantworten: wo sind wir jetzt, wo wollen wir hin, und wie gelangen wir dahin? Farbe auf Pigment-Basis hat sowohl einen intrinsischen als auch einen extrinsischen Character. Als eine Folge des Letzteren hat fast jeder Aspekt der Farbgebung einen Einfluß auf den endgültigen Farbwert, von Dispersion über Verdünnung, Reduktion, Trocknung bis zum Scherwert. Es ist wichthig, die praktischen Implikationen von diesen Effekten zu verstehen, da sie einen direkten Einfluß auf den Vergleich und die Optimisierung von Produkten und Prozessen haben.

[Diese Arbeit leitete ein Seminar zur Farbgebung an der Universität von Leeds im April 2002 ein]

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Graystone, J. Journeys into colour space. Surface Coatings International Part B: Coatings Transactions 87, 221–228 (2004). https://doi.org/10.1007/BF02699638

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