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Graphic technology - Measurement and calculation of spot colour tone value

Overview ISO 20654:2017 specifies a metric and measurement method for assessing intermediate tones of a spot colour ink. The standard defines the Spot Colour Tone Value (SCTV), a substrate‑relative m…

Graphic technology — Measurement and calculation of spot colour tone value

Overview ISO 20654:2017 specifies a metric and measurement method for assessing intermediate tones of a spot colour ink. The standard defines the Spot Colour Tone Value (SCTV), a substrate‑relative m…

Graphic technology. Measurement and calculation of spot colour tone value.