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BAB IV

HASIL PERCOBAAN

4.1 Tabel Pengamatan

Tabel 1. Hasil Pengamatan Pengukuran Warna

Samp

el

Ulang

an

Pengukuran Teoritis

L* a* b* C H Gambar C H

Jus

Mang

ga

100%

198,3

86

-

10,5

78

39,6

49

27,9

59

7,05

1

41,03

6

75,0

61

296,8

72

-

11,6

12

52,6

71

21,9

99

5,50

6

53,93

6

77,5

67

Rerata97,6

29

-

11,0

95

46,1

6

24,9

79

6,27

85

47,48

6

76,4

85

Jus

Angg

ur

100%

163,2

38

19,0

05

12,1

18

21,3

58

5,47

8

22,54

0

32,5

23

263,1

49

19,1

72

11,7

21

21,3

59

5,51

8

22,74

1

31,4

40

Rerata63,1

93

19,0

88

11,9

19

21,3

58

5,49

8

22,50

4

31,9

82

Jus

Leci

100%

199,5

15

-

2,44

7

6,84

3

21,2

59

5,44

9

7,267

3

70,3

23

299,4

38

-

2,94

7

8,34

7

21,2

80

5,45

2

8,859

6

70,5

54

Rerata99,4

77

-

2,69

7

7,59

5

21,2

30

5,45

1

8,059

6

70,4

39

Samp

el

Ulang

an

Pengukuran Teoritis

L* a* b* C H Gambar C H

Jus

Jamb

u

100%

196,8

65

-

1,58

5

14,72

2,0135,587

14,78

52

83,8

46

294,4

63

1,68

015,85

22,1

245,583

15,93

87

83,9

49

Rerata95,6

64

0,04

8

1

5,277

2

2,0695,585 15,277

89,8

19

Jus

Mang

ga

50%

+ Jus

Angg

ur

50%

182,2

36,95

16,3

9

20,3

15,11

17,80

3

67,0

28

285,2

46,97

16,6

4

20,5

55,16 18,04

67,1

23

Rerata82,2

35

6,95

6

16,5

14

20,4

3

5,13

5

35,84

3

67,1

58

Jus

Leci

50%

+ Jus

Jamb

u

50%

198,3

2

-

2,25

10,9

8

20,8

35,32

10,74

6

78,4

35

296,9

0

-

1,02

13,3

9

21,4

55,45

13,35

1

85,6

25

Rerata97,6

1

-

1,63

5

12,1

85

21,1

4

5,38

5

12,04

8

82,0

3

Jus

Mang

1 98,4

14

-

10,6

37,1

25

21,7

95

5,50

2

38,61

6

74,0

26

ga

50%

+ Jus

Leci

50%

27

297,9

98

-

10,7

85

39,8

9

21,8

68

5,50

9

41,32

2

74,8

71

Samp

el

Ulang

an

Pengukuran Teoritis

L* a* b* C H Gambar C H

Rerata98,2

06

-

10,7

06

38,5

06

21,8

32

5,50

55

39,96

9

74,4

49

Jus

Angg

ur

50%

+ Jus

Jamb

u

50%

193,2

51

6,14

3

8,75

3

24,8

97

6,28

8

10,69

4

54,9

38

288,5

37

8,22

7

10,8

52

21,2

3

5,32

7

13,61

8

52,8

34

Rerata90,8

94

7,18

5

9,80

3

23,0

64

5,80

8

12,15

6

53,8

86

Jus

Mang

ga

50%

+ Jus

Jamb

u

50%

197,2

22

-

4,17

0

21,1

57

21,6

63

5,49

2

21,56

4

78,8

5

297,1

34

-

4,05

3

21,1

91

21,6

71

5,49

3

21,57

3

79,1

72

Rerata97,1

78

-

4,11

15

21,1

74

21,6

67

5,49

3

21,56

9

79,0

11

Samp

el

Ulang

an

Pengukuran Teoritis

L* a* b* C H Gambar C H

Jus

Leci

50%

+ Jus

Angg

ur

50%

176,6

73

14,9

18

14,4

21

21,2

20

5,28

9

20,74

9

44,0

29

276,6

34

13,2

24

13,0

28

18,9

91

4,77

0

18,56

3

44,5

72

Rerata76,6

34

14,0

71

13,7

20

20,1

07

5,02

95

19,65

6

44,2

86

Kerta

s

putih

193,6

47

-

0,31

3

-

0,26

9

-1,97

30,412

40,6

76

Tabel 2. Daerah Kisaran Warna Kromatisitas Berdasarkan Nilai Hue

Sampel Nilai Hue (H) Daerah Kisaran

Warna Kromatisitas

Jus Mangga 75,297 Yellow Red (YR)

Jus Anggur 32,161 Red (R)

Jus Leci 70,438 Yellow Red (YR)

Jus Jambu 83,898 Yellow Red (YR)

Jus Mangga + Jus Anggur 67,158 Yellow Red (YR)

Jus Leci + Jus Jambu 82,030 Yellow Red (YR)

Jus Mangga + Jus Leci 74.449 Yellow Red (YR)

Jus Anggur + Jus Jambu 53,886 Red (R)

Jus Mangga + Jus Jambu 79,911 Yellow Red (YR)

Jus Leci + Jus Anggur 44,286 Red (R)

4.2 Hasil Perhitungan Teoritis

4.2.1 Jus Mangga 100%

a. Ulangan 1

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (−10,578 )2+ (39,649 )2 ]1 /2

C=41,036

H=tan−1( b¿

a¿ )H=tan−1( 39,649

−10,578 )H=75,061 °

b.

1.

Ulangan 2

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (−11,612 )2+(52,671 )2 ]1 /2 C=53,936

H=tan−1( b¿

a¿ )H=tan−1( 52,671

−11,612 )H=77,567 °

c. Rata-rata

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (−11,095 )2+ (46,16 )2 ]1 /2

C=47,48 6

H=tan−1( b¿

a¿ )H=tan−1( 46,16

−11,095 )

H=76,485 °

4.2.2 Jus Anggur 100%

a. Ulangan 1

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (19,005 )2+(12,118 )2 ]1 /2

C=22,54 0

H=tan−1( b¿

a¿ )H=tan−1( 12,118

19,005 )H=32,523 °

b.

1.

Ulangan 2

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (19,172 )2+(11,721)2 ]1/2

C=22,47 1

H=tan−1( b¿

a¿ )H=tan−1( 11,721

19,172 )H=31,440 °

c. Rata-rata

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (19,0885 )2+(11,9195 )2 ]1 /2

C=22,504

H=tan−1( b¿

a¿ )H=tan−1( 11,9195

19,0885 )H=31,982 °

4.2.3 Jus Leci 100%

a. Ulangan 1

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (−2,447 )2+ (6,843 )2 ]1/2

C=7,26 7

H=tan−1( b¿

a¿ )H=tan−1( 6,843

−2,447 )H=70,323 °

b.

1.

Ulangan 2

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (−2,947 )2+ (8,347 )2 ]1/2

C=8,851

H=tan−1( b¿

a¿ )H=tan−1( 8,347

−2,947 )H=70,553 °

c. Rata-rata

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (−2,697 )2+ (7,595 )2 ]1 /2

C=8,05 9

H=tan−1( b¿

a¿ )H=tan−1( 7,595

−2,697 )H=70,449 °

4.2.4 Jus Jambu 100%

a. Ulangan 1

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (−1,585 )2+(14,70 )2 ]1 /2

C=14,785 2

H=tan−1( b¿

a¿ )H=tan−1( 14,70

−1,585 )H=83,8459°

b. Ulangan 2

C=[ ( a¿)2+(b¿)2 ]1/2

H=tan−1( b¿

a¿ )

1.C=[ (1,680 )2+ (15,85 )2 ]1 /2

C=15,938 7H=tan−1( 15,85

1,680 )H=83,949°

c. Rata-rata

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (0,048 )2+(15,277 )2 ]1 /2

C=15,27 7

H=tan−1( b¿

a¿ )H=tan−1( 15,277

0,048 )H=89,819°

4.2.5 Jus Mangga 50% + Jus Anggur 50%

a. Ulangan 1

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (6,95 )2+(16,390 )2 ]1 /2

C=17,80 3

H=tan−1( b¿

a¿ )H=tan−1( 16,390

6,95 )H=67,028°

b.

1.

Ulangan 2

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (6,970 )2+ (16,640 )2 ]1 /2

C=18,04

H=tan−1( b¿

a¿ )H=tan−1( 16,640

6,970 )H=67,123°

c. Rata-rata

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (6,956 )2+ (16,514 )2 ]1/2

C=35,84 3

H=tan−1( b¿

a¿ )H=tan−1( 16,514

6,956 )H=67,158°

4.2.6 Jus Leci 50% + Jus Jambu 50%

a. Ulangan 1

C=[ ( a¿ )2+(b¿ )2 ]1/2

H=tan−1( b¿

a¿ )

C=[ (−2,25 )2+(10,98 )2 ]1 /2

C=10,74 6H=tan−1( 10,98

−2,25 )H=78,436 °

b.

1.

Ulangan 2

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (−1,02 )2+(13,39 )2 ]1/ 2

C=13,35 1

H=tan−1( b¿

a¿ )H=tan−1( 13,39

−1,02 )H=85,625°

c. Rata-rata

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (1,635 )2+(12,185 )2 ]1/2

C=12,04 8

H=tan−1( b¿

a¿ )H=tan−1( 12,185

1,635 )H=82,03°

4.2.7 Jus Mangga 50% + Jus Leci 50%

a. Ulangan 1

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (−10,627 )2+ (37,125 )2 ]1 /2 C=38,616

H=tan−1( b¿

a¿ )H=tan−1( 37,125

−10,627 )H=74,026 °

b.

1.

Ulangan 2

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (−10,785 )2+ (39,89 )2 ]1 /2 C=41,322

H=tan−1( b¿

a¿ )H=tan−1( 39,89

−10,785 )H=74,871 °

c. Rata-rata

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (−10,706 )2+ (38,506 )2 ]1 /2 C=39,969

H=tan−1( b¿

a¿ )

H=tan−1( 38,506−10,706 )

H=74,449 °

4.2.8 Jus Anggur 50% + Jus Jambu 50%

a. Ulangan 1

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (6,143 )2+ (8,753 )2 ]1 /2

C=10,69 4

H=tan−1( b¿

a¿ )H=tan−1( 8,753

6,143 )H=54,938 °

b.

1.

Ulangan 2

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (8,227 )2+ (10,852 )2 ]1 /2

C=13,61 8

H=tan−1( b¿

a¿ )H=tan−1( 10,852

8,227 )H=52,834 °

c. Rata-rata

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (7,185 )2+(9,803 )2 ]1 /2

C=12,15 6

H=tan−1( b¿

a¿ )H=tan−1( 9,803

7,185 )H=53,886 °

4.2.9 Jus Mangga 50% + Jus Jambu 50%

a. Ulangan 1

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (−4,170 )2+ (21,157 )2 ]1/2

C=21,56 4

H=tan−1( b¿

a¿ )H=tan−1( 21,157

−4,170 )H=78,85 °

b. Ulangan 2

C=[ ( a¿)2+(b¿)2 ]1/2

H=tan−1( b¿

a¿ )

1.

C=[ (−4,053 )2+ (21,191 )2 ]1 /2

C=21,57 3H=tan−1( 21,191

−4,053 )H=79,172 °

c. Rata-rata

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (−4,1115 )2+ (21,174 )2 ]1/ 2 C=21,569

H=tan−1( b¿

a¿ )H=tan−1( 21,174

−4,1115 )H=79,911°

4.2.10 Jus Leci 50% + Jus Anggur 50%

a. Ulangan 1

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (14,918 )2+(14,421 )2 ]1/2

C=20,74 9

H=tan−1( b¿

a¿ )H=tan−1( 14,421

14,918 )H=44,029 °

b.

1.

Ulangan 2

C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (13,224 )2+(13,028 )2 ]1 /2

C=18,56 3

H=tan−1( b¿

a¿ )H=tan−1( 13,028

13,224 )H=44,572°

c. Rata-rata

C=[ ( a¿)2+(b¿)2 ]1/2

C=[ (14,071 )2+(13,7205 )2 ]1/2 C=19,656

H=tan−1( b¿

a¿ )H=tan−1( 13,7205

14,071 )H=44,286 °

4.2.11 Kertas Asturo Putih

a. C=[ ( a¿ )2+(b¿ )2 ]1/2

C=[ (−0,313 )2+(−0,269 )2 ]1/2

H=tan−1( b¿

a¿ )

C=0,41 2H=tan−1( 0,269

−0,313 )H=40,676 °

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