Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.88426401126
Darker point darker score: 0.970650806503
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3JB8CDV1SF2TH
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1CE5G48ELWN0F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A22BAUES1TIZS6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IXDTIS3GTW8K
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PKLLRKQ7VUVN (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2C5N3IQEP0KWA (marked invalid)
(0: guessing, 1: probably, 2: definitely)