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International Journal of Interdisciplinary Research

Table 8 Colour coordinate values of fabrics dyed with synthetic and crude indigo dye

From: Extraction of Indigo dye from Couroupita guianensisand its application on cotton fabric

 

Standard (4% shade)

Batch (150% shade)

L =

49.124

49.322

a =

−5.205

−4.762

B =

−18.952

−18.285

C =

19.654

18.895

H =

254.613

255.372

dE =

0.825

  1. Observer: 10 degree.
  2. Colorspace: CIELAB (1976).
  3. Illuminant: D65.
  4. Mode: Reflectance.
  5. Spectro: 5100.
  6. Judgement: PASS.
  7. Standard: Fabric dyed with synthetic indigo dye.
  8. Batch: Fabric dyed with crude indigo dye from Couroupita guianensis.