Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.213280808879
Darker point darker score: 0.275673762468
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: AAY0XUI4OLPOK
darker: 2 (eq: False, dd: True), confidence: 2, worker: AZ9A137H25EDX
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PHP9TTAVN4Y4
darker: 2 (eq: False, dd: True), confidence: 2, worker: A369RBYR7J9MH7 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 0, worker: A21TA9DWNPHPBG (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1NM7ZPZ3NH412
(0: guessing, 1: probably, 2: definitely)