Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.981380978346
Darker point darker score: 0.920615988049
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3VETGL4OCTWD5
darker: 2 (eq: False, dd: True), confidence: 2, worker: AHLVAVDNE9WI0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A22BAUES1TIZS6
darker: 2 (eq: False, dd: True), confidence: 1, worker: AKJ6IXN6XE7OQ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PF1VER45OVPM
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3S6JT56CCUSE2 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
(0: guessing, 1: probably, 2: definitely)