Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.396960750303
Darker point darker score: -0.886117403809
darker: 2 (eq: False, dd: False), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3RNCUQDU5AVEI
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1IOJ2LGMGISYM
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2A42CU48PN8CX
darker: E (eq: True, dd: None), confidence: 1, worker: A2MBCZMW1IBAK
(0: guessing, 1: probably, 2: definitely)