April 7th 2021

Do the cotton books contain Fluorescent colours?


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No, Cotton cannot be dyed with fluorescent dyes. To supply fluorescent trend colours Pantone developed the Nylon Fluorescent Swatch ring which contains 21 super bright colours – brighter than can be achieved on Cotton. The colours are dyed on Nylon 6,6 to optimise lightfastness and washfastness. Of the 21 colours, 14 contain flavine or rhodamine acid dyestuff which qualifies them as true fluorescents in that they absorb ultraviolet light and emit it as visible light which increases the perceived brightness of the colour. Additional fluorescent colours are also available in the Polyester Swatch Book
The Fluorescent colours are also available as individual large swatches – don’t forget to select SMART Swatch Card Nylon or SMART Swatch Card Polyester from the type dropdown to access the available colours.

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