Table 3 Color study of dyed cotton samples.

From: A green approach for dyeing cotton fabrics using synthesized reactive disperse dyes and their mixtures under supercritical CO2 medium

Dyes- combination

L*

a*

b

CV % of K/S

Stdv

Standard Error

K/S

C*

H

Blue Dyed sample

24.22

9.40

-28.99

0.86

0.08

0.04

9.38

31.60

286.71

Yellow Dyed sample

89.5

-7.87

70.71

0.37

0.02

0.014

6.65

67.68

84.99

M1 (Blue dye: Yellow dye 80:20)

45.11

-15.29

-8.42

0.80

0.07

0.040

8.73

15.73

220.45

M2 (Blue dye: Yellow dye 75:25)

49.74

-18.59

-1.43

0.24

0.02

0.012

8.62

12.69

187.71

M3 (Blue dye: Yellow dye 50:50)

50.66

-12.32

-11.83

0.61

0.05

0.029

8.43

16.38

155.45

M4 (Blue dye: Yellow dye 25:75)

55.47

-13.83

-8.52

0.79

0.06

0.037

8.11

14.89

120.12

M5 (Blue dye: Yellow dye 20:80)

60.29

-5.96

-15.75

0.27

0.02

0.012

7.71

15.15

110.23