Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.176463362014
Darker point darker score: 0.966505067456
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1TQYQG3VFJTWW
darker: E (eq: True, dd: None), confidence: 1, worker: A1Y5DMCQYLVL74
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q0V5TIXSJJI3
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3BCQQ7TPUO8Q2 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2SNX0RFIPIO60
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1CE5G48ELWN0F
(0: guessing, 1: probably, 2: definitely)