Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.879733137598
Darker point darker score: -0.879732335151
darker: 2 (eq: False, dd: False), confidence: 2, worker: APLPGURGFU8KN
darker: 2 (eq: False, dd: False), confidence: 2, worker: AIKBREX7SEPXE
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1YQ4Z1018RM1R
darker: 2 (eq: False, dd: False), confidence: 1, worker: ASOOONBGQ48YI
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2BYJ41HX5ZUCW (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)