Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.208635979238
Darker point darker score: 0.293275481176
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: True), confidence: 0, worker: AG0X3PQK2FWQJ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2RMGXC9IOMNQA (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3JKYHQMKDV1Y9
darker: 1 (eq: False, dd: True), confidence: 2, worker: A27H0BKXDPJ543
darker: E (eq: True, dd: None), confidence: 2, worker: A1IOJ2LGMGISYM
darker: E (eq: True, dd: None), confidence: 2, worker: A35Y9YHW91OY2U (marked invalid)
(0: guessing, 1: probably, 2: definitely)