Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0481775165716
Darker point darker score: 0.879732103727
darker: 2 (eq: False, dd: True), confidence: 1, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q5IX1YGGLQML (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A2VVSQ1PSXKGVE
darker: 2 (eq: False, dd: True), confidence: 2, worker: ANE1T9B3JJAS5
darker: 2 (eq: False, dd: True), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2YYHNACJ8MFTU
(0: guessing, 1: probably, 2: definitely)