Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.00616322762
Darker point darker score: 0.933938674626
darker: 1 (eq: False, dd: True), confidence: 2, worker: A30M7MYW1BHQN1
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: True), confidence: 2, worker: A29WHBX4Y40L08 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2K9VAUQ9I7CLT
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1KH9UPH0D74QJ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
(0: guessing, 1: probably, 2: definitely)