Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.890434838671
Darker point darker score: 0.898486289182
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: ASOOONBGQ48YI
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2DTELFC4X0QJQ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A92IZM4P9SJ2S
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q0V5TIXSJJI3
(0: guessing, 1: probably, 2: definitely)