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Position: Chinese Standard in English/GB/T 21898-2023
GB/T 21898-2023   Method of specification for textile colors (English Version)
Standard No.: GB/T 21898-2023 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 21000 words Price(USD):630.0 remind me the price change

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Implemented on:2024-1-1 Delivery: via email in 1~5 business day
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Standard No.: GB/T 21898-2023
English Name: Method of specification for textile colors
Chinese Name: 纺织品颜色表示方法
Chinese Classification: A26    Color
Professional Classification: GB    National Standard
ICS Classification: 17.180.20 17.180.20    Colours and measurement of light 17.180.20
Issued by: SAMR; SAC
Issued on: 2023-9-7
Implemented on: 2024-1-1
Status: valid
Superseding:GB/T 21898-2008 Method of specification for textile colors
Language: English
File Format: PDF
Word Count: 21000 words
Price(USD): 630.0
Delivery: via email in 1~5 business day
Method of specification for textile colors 1 Scope This document specifies the color solid, notation, measurement and color difference assessment of textile colors. This document is applicable to the specification for textile colors, and may be used as reference for color specification in other industries related to textiles. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 3977 Specification of colors GB/T 3978 Standard illuminants and geometric conditions GB/T 3979 Methods for the measurement of object color GB/T 5698 Glossary of color terms GB/T 6529 Textiles - Standard atmospheres for conditioning and testing GB/T 7771 Measurement of special metamerism index - Change in illuminant GB/T 8424.3 Textiles - Tests for colour fastness - Calculation of colour differences GB/T 9340 Methods for color measurement of fluorescent specimens GB/T 15610 Method for visual appraisal of metamerism ISO 23603 Standard method of assessing the spectral quality of daylight simulators for visual appraisal and measurement of colour CIE 015 Colorimetry 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 5698 and the following apply. 3.1 hue H one of the three visual attributes of colors, which indicates the characteristics of red, yellow, green, blue, purple, etc. 3.2 value V one of the three visual attributes of colors, which indicates the brightness of color on the surface of an object, and divided between ideal black and ideal white 3.3 chroma C one of the three visual attributes of colors, which indicates the grayness of color on the surface of an object, and is represented by the difference from the achromatic color with equal value [Source: GB/T 5698-2001, 5.9, modified] 3.4 special metamerism index M [CIE] color difference caused by changing the reference illuminant into other illuminants or simulated light sources, or changing the reference observer into other observers when the metameric color stimuli are isochromatic under the reference illuminant, observer and geometric conditions Note: When analyzing the color metamerism of objects, the reference illuminant D65 is changed to other test illuminant t, and the special metamerism index is represented by Mt,ilm; when analyzing the spectral quality of simulated light source, the special metamerism index of visible light part is represented by Mv, and that of ultraviolet part is represented by Mu; when analyzing the observer changes, the special metamerism index is represented by Mobs. [Source: CIE 015:2018, 9.1, modified] 4 Color solid 4.1 Composition The cylindrical coordinate system of color consists of achromatic system and chromatic system, with the middle vertical axis from bottom to top and from black to white as the value axis, the distance perpendicular to the middle vertical axis as the chroma, and the top angle around the middle vertical axis as the hue angle. The color solid is composed of three attributes: hue, value and chroma.
Contents 1 Scope 2 Normative references 3 Terms and definitions 4 Color solid 5 Notations 6 Measurement and color difference assessment Annex A (Normative) Relationship between value notation V and luminance factor Y10 Annex B (Normative) Color data values corresponding to partial notations of textile colors
Referred in GB/T 21898-2023:
*GB/T 3977-2008 Specification of colors
*GB/T 3978-2008 Standard illuminants and geometric conditions
*GB/T 3979-2008 Methods for the measurement of object color
*GB/T 5698-2001 Glossary of color terms
*GB/T 6529-2008 Textiles—Standard atmospheres for conditioning and testing
*GB/T 7771-2008 Measurement of special metamerism index - Change in illuminant
*GB/T 8424.3-2001 Textiles-Tests for colour fastness-Calculation of colour differences
*GB/T 9340-2009 Methods for color measurement of fluorescent specimens
*GB/T 15610-2008 Method for visual appraisal of metamerism
*CIE015-
Code of China
Standard
GB/T 21898-2023  Method of specification for textile colors (English Version)
Standard No.GB/T 21898-2023
Statusvalid
LanguageEnglish
File FormatPDF
Word Count21000 words
Price(USD)630.0
Implemented on2024-1-1
Deliveryvia email in 1~5 business day
Detail of GB/T 21898-2023
Standard No.
GB/T 21898-2023
English Name
Method of specification for textile colors
Chinese Name
纺织品颜色表示方法
Chinese Classification
A26
Professional Classification
GB
ICS Classification
Issued by
SAMR; SAC
Issued on
2023-9-7
Implemented on
2024-1-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
GB/T 21898-2008 Method of specification for textile colors
Language
English
File Format
PDF
Word Count
21000 words
Price(USD)
630.0
Keywords
GB/T 21898-2023, GB 21898-2023, GBT 21898-2023, GB/T21898-2023, GB/T 21898, GB/T21898, GB21898-2023, GB 21898, GB21898, GBT21898-2023, GBT 21898, GBT21898
Introduction of GB/T 21898-2023
Method of specification for textile colors 1 Scope This document specifies the color solid, notation, measurement and color difference assessment of textile colors. This document is applicable to the specification for textile colors, and may be used as reference for color specification in other industries related to textiles. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 3977 Specification of colors GB/T 3978 Standard illuminants and geometric conditions GB/T 3979 Methods for the measurement of object color GB/T 5698 Glossary of color terms GB/T 6529 Textiles - Standard atmospheres for conditioning and testing GB/T 7771 Measurement of special metamerism index - Change in illuminant GB/T 8424.3 Textiles - Tests for colour fastness - Calculation of colour differences GB/T 9340 Methods for color measurement of fluorescent specimens GB/T 15610 Method for visual appraisal of metamerism ISO 23603 Standard method of assessing the spectral quality of daylight simulators for visual appraisal and measurement of colour CIE 015 Colorimetry 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 5698 and the following apply. 3.1 hue H one of the three visual attributes of colors, which indicates the characteristics of red, yellow, green, blue, purple, etc. 3.2 value V one of the three visual attributes of colors, which indicates the brightness of color on the surface of an object, and divided between ideal black and ideal white 3.3 chroma C one of the three visual attributes of colors, which indicates the grayness of color on the surface of an object, and is represented by the difference from the achromatic color with equal value [Source: GB/T 5698-2001, 5.9, modified] 3.4 special metamerism index M [CIE] color difference caused by changing the reference illuminant into other illuminants or simulated light sources, or changing the reference observer into other observers when the metameric color stimuli are isochromatic under the reference illuminant, observer and geometric conditions Note: When analyzing the color metamerism of objects, the reference illuminant D65 is changed to other test illuminant t, and the special metamerism index is represented by Mt,ilm; when analyzing the spectral quality of simulated light source, the special metamerism index of visible light part is represented by Mv, and that of ultraviolet part is represented by Mu; when analyzing the observer changes, the special metamerism index is represented by Mobs. [Source: CIE 015:2018, 9.1, modified] 4 Color solid 4.1 Composition The cylindrical coordinate system of color consists of achromatic system and chromatic system, with the middle vertical axis from bottom to top and from black to white as the value axis, the distance perpendicular to the middle vertical axis as the chroma, and the top angle around the middle vertical axis as the hue angle. The color solid is composed of three attributes: hue, value and chroma.
Contents of GB/T 21898-2023
Contents 1 Scope 2 Normative references 3 Terms and definitions 4 Color solid 5 Notations 6 Measurement and color difference assessment Annex A (Normative) Relationship between value notation V and luminance factor Y10 Annex B (Normative) Color data values corresponding to partial notations of textile colors
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Keywords:
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