Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.469751863396
Darker point darker score: 0.980605258412
darker: 2 (eq: False, dd: True), confidence: 2, worker: AS6P7YSSJR79B (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AOPG07J95DDJT
darker: 2 (eq: False, dd: True), confidence: 1, worker: AWO91BEOHNOJB
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3454T4PU9GJM0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A38BNV13AV0S8Y
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UN57EC5AXY1Z
(0: guessing, 1: probably, 2: definitely)