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Discussion

A colour difference between a pair of textured samples should account for

  • A.the number of threads per centimetre in each
  • B.the fibre content of the two samples
  • C.the effect of texture on the measured and perceived colour
  • D.the price difference existing between the two materials compared

Answer: C

Texture affects both the instrumental reading and the visual impression. Parametric factors and careful sample presentation both address it. Texture affects instrument and eye alike. Presentation is standardised for that reason.

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