Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0719010290688
Darker point darker score: 0.898040793896
darker: 1 (eq: False, dd: True), confidence: 1, worker: A4SP70BFBM4ZP
darker: E (eq: True, dd: None), confidence: 2, worker: A3F8DJPNU5NJ69
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2H4ON6BUHMY1L (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: AYD3RXE17K2CF
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
darker: E (eq: True, dd: None), confidence: 2, worker: AY4PUTE2I6K3C (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AG5PRN6LLI9E1
(0: guessing, 1: probably, 2: definitely)