Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0406351674148
Darker point darker score: 0.904380344414
darker: 2 (eq: False, dd: True), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2TEWO3WJ5YKGG (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AAY0XUI4OLPOK
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AUD3A4YDWWZCY (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AZ9A137H25EDX
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: ANE1T9B3JJAS5
darker: E (eq: True, dd: None), confidence: 2, worker: A2UFB6FRY90EAB
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3PKLLRKQ7VUVN (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3UC4JITM1QD1M
(0: guessing, 1: probably, 2: definitely)