Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.210511260257
Darker point darker score: 0.964703023363
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1HJHY8RW8BJ27
darker: 1 (eq: False, dd: True), confidence: 2, worker: A36D1YU9L1AF0Y
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1ZCYJOVB9YEOW (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: True), confidence: 2, worker: ANE1T9B3JJAS5
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)