Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0706441616339
Darker point darker score: 0.244172820054
darker: E (eq: True, dd: None), confidence: 1, worker: A3BOFWD3AVRMLC
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3VO5CW9ZY22MZ
darker: 1 (eq: False, dd: False), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2XWHAVGMXTVMJ
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1AXG32WSJVY54
(0: guessing, 1: probably, 2: definitely)