Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0735236204465
Darker point darker score: 1.14601460586
darker: 2 (eq: False, dd: True), confidence: 2, worker: A39RDIT0ZMOQFK
darker: E (eq: True, dd: None), confidence: 0, worker: A2UFJC7YN3N0YX
darker: 2 (eq: False, dd: True), confidence: 1, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q2XBURXQ8RJS
darker: E (eq: True, dd: None), confidence: 1, worker: A1WRANKL1HRGYW
darker: 1 (eq: False, dd: False), confidence: 0, worker: A2H4ON6BUHMY1L (marked invalid)
(0: guessing, 1: probably, 2: definitely)