Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.916138717845
Darker point darker score: 0.417850694466
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2YAM0NOL7EQNG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1AXIY3LLO186R
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1XVZCQ983ETMR
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: False), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2OF0GTKWKM2T5
(0: guessing, 1: probably, 2: definitely)