Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.26291149744
Darker point darker score: 0.0951028047436
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1CE5G48ELWN0F
darker: 2 (eq: False, dd: False), confidence: 0, worker: AKJ6IXN6XE7OQ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 2 (eq: False, dd: False), confidence: 1, worker: A36XRHW6R8MU0C
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)