Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0214297151921
Darker point darker score: 0.89177773151
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1FUQIDCR4U4QQ
darker: 1 (eq: False, dd: True), confidence: 0, worker: A15XHPD9NN0LU2
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1PRVVISZ1C6CQ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2ZRJMJTE6ID97
darker: E (eq: True, dd: None), confidence: 2, worker: ANE1T9B3JJAS5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)