Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.120362387647
Darker point darker score: 0.0421376122504
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2EKPA2DR5VSA8
darker: 1 (eq: False, dd: False), confidence: 2, worker: A36XRHW6R8MU0C
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2CQLD1RK8ZQ7D
darker: 1 (eq: False, dd: False), confidence: 0, worker: AU4FF0366TBAR (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
darker: E (eq: True, dd: None), confidence: 2, worker: A1IOJ2LGMGISYM
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3S6JT56CCUSE2 (marked invalid)
(0: guessing, 1: probably, 2: definitely)