Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.797599550291
Darker point darker score: 0.0635311391895
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A28BX5XQI1CU6X
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NQZHW4RY6IDR
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2V6SELV8D1AEI
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1IOJ2LGMGISYM
darker: E (eq: True, dd: None), confidence: 1, worker: A3RAGILRDPWH13
(0: guessing, 1: probably, 2: definitely)