Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0889656581089
Darker point darker score: 0.924766653497
darker: E (eq: True, dd: None), confidence: 1, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: True), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
darker: 2 (eq: False, dd: True), confidence: 2, worker: ADN5X9XAX18JA
darker: E (eq: True, dd: None), confidence: 0, worker: A266KTWY0HBD2F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2ZRJMJTE6ID97
(0: guessing, 1: probably, 2: definitely)