Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0155047665468
Darker point darker score: 0.0762037734506
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1KF93C9NTOP42
darker: 2 (eq: False, dd: True), confidence: 2, worker: AMYTF6MZS1FIF (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AJBQ5XEHIF9Z1 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: AMV1QZDL5K6PG
darker: E (eq: True, dd: None), confidence: 2, worker: A7S0IDTDA59QN
darker: E (eq: True, dd: None), confidence: 2, worker: A3DKW5X4Y1Z6UD
(0: guessing, 1: probably, 2: definitely)