Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.02680385407
Darker point darker score: 0.142444906025
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2Q1A5H715C3EK
darker: 1 (eq: False, dd: True), confidence: 2, worker: ARW2F8HD8VOLX (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3LNPBZXHKKAA7
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1TM1ZFU4OIPTD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1F4MP6YOIC1IV
(0: guessing, 1: probably, 2: definitely)