Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -1.02021474953
Darker point darker score: -0.879865168221
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2TP6GDF71HM4M
darker: 2 (eq: False, dd: False), confidence: 2, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: False), confidence: 2, worker: ASOOONBGQ48YI
darker: 2 (eq: False, dd: False), confidence: 0, worker: A15XHPD9NN0LU2
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2ZRJMJTE6ID97
darker: 1 (eq: False, dd: True), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
(0: guessing, 1: probably, 2: definitely)