Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0920641367488
Darker point darker score: 0.930391987538
darker: 1 (eq: False, dd: True), confidence: 1, worker: A12DV2RIAQPV5J
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3D2AKUFNQD73Y
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1FUQIDCR4U4QQ
darker: E (eq: True, dd: None), confidence: 0, worker: A13QL2FY4BZR9B
darker: E (eq: True, dd: None), confidence: 2, worker: A2A42CU48PN8CX
(0: guessing, 1: probably, 2: definitely)