Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.265340246601
Darker point darker score: -0.317203512554
darker: 2 (eq: False, dd: False), confidence: 2, worker: AR50UBGSH10FJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A29LON3TC6GCJN
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: False), confidence: 2, worker: AXHC7OMH8XE9U
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AE808DQDYM9F
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2YYHNACJ8MFTU
(0: guessing, 1: probably, 2: definitely)