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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.