Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.935733423753
Darker point darker score: 0.214837370714
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1M9HUOS9S8A15
darker: 2 (eq: False, dd: False), confidence: 1, worker: A90QPQO48C6RX
darker: 2 (eq: False, dd: False), confidence: 2, worker: AO2JIXLS5MIC5 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A27H0BKXDPJ543
darker: 1 (eq: False, dd: True), confidence: 2, worker: A168LFJNV9DSTS
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1JHVZIC3FH9LG
(0: guessing, 1: probably, 2: definitely)