Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.89095628725
Darker point darker score: 1.11231402759
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 1 (eq: False, dd: False), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: ARTQWWNFA7IOD
darker: 2 (eq: False, dd: True), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2TE84RMBCJ1B1 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3U65EZ76A3HCN
(0: guessing, 1: probably, 2: definitely)