Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.888895409581
Darker point darker score: 0.369696389713
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1DRFDGG2KCOI2 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AE6N096CSI5HT
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1CV8APDA7Y2PI
darker: 1 (eq: False, dd: True), confidence: 1, worker: ASOOONBGQ48YI
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3D2AKUFNQD73Y
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2DTELFC4X0QJQ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
(0: guessing, 1: probably, 2: definitely)