Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0707786717281
Darker point darker score: 1.05141397599
darker: E (eq: True, dd: None), confidence: 0, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1DRFDGG2KCOI2 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2YAM0NOL7EQNG
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
darker: E (eq: True, dd: None), confidence: 2, worker: A1Z3RPPYNUUT0Z
(0: guessing, 1: probably, 2: definitely)