Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.154868932416
Darker point darker score: 0.901563854044
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1AXIY3LLO186R
darker: 2 (eq: False, dd: True), confidence: 2, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: True), confidence: 2, worker: A23RB1Y4ANXQLS
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2AAWTFFL0ZXEK (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
(0: guessing, 1: probably, 2: definitely)