Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.103821627893
Darker point darker score: -0.881808383171
darker: E (eq: True, dd: None), confidence: 2, worker: A2EPRPJA681I8X
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AIKBREX7SEPXE
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2V9WRIAL9CJZT
darker: 2 (eq: False, dd: False), confidence: 2, worker: AGO9QN7UEDUYL
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2TP6GDF71HM4M
(0: guessing, 1: probably, 2: definitely)