BH GSO ISO 20654:2022

ISO 20654:2017
Bahraini Standard   Current Edition · Approved on 28 April 2022

Graphic technology — Measurement and calculation of spot colour tone value

BH GSO ISO 20654:2022 Files

English 5 Pages
Current Edition Reference Language
17.68 BHD

BH GSO ISO 20654:2022 Scope

ISO 20654:2017 defines a metric for assessing intermediate tones of a spot ink. This method for the calculation of Spot Colour Tone Value (SCTV) produces approximately uniform visual spacing of tones between substrate and solid. It can be calculated from spectral reflectance or colorimetric measurements of the solid ink, substrate and one or more patches of intermediate tones to be measured.

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