Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0338272333577
Darker point darker score: 1.02532929547
darker: 2 (eq: False, dd: True), confidence: 2, worker: AQAKW9NW6Z61T
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1ABA3S1BGNCWW
darker: E (eq: True, dd: None), confidence: 0, worker: A3UKUFHOITA6JF
darker: E (eq: True, dd: None), confidence: 1, worker: A14VYU4RTNHD1D
darker: E (eq: True, dd: None), confidence: 1, worker: A1DRFDGG2KCOI2 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1KITOCUU7GERN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: E (eq: True, dd: None), confidence: 2, worker: A237FGJCPV99GJ
(0: guessing, 1: probably, 2: definitely)