Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.127529358744
Darker point darker score: 0.232315432546
darker: E (eq: True, dd: None), confidence: 2, worker: A1A50D6DABL6IK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A28BX5XQI1CU6X
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2Q1A5H715C3EK
darker: 1 (eq: False, dd: True), confidence: 2, worker: AZ9A137H25EDX
darker: 1 (eq: False, dd: True), confidence: 2, worker: A27H0BKXDPJ543
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)