Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.966089655942
Darker point darker score: 0.951584979421
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1AS714Z27IV3X (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2DCLU4B46AB1U
darker: 2 (eq: False, dd: True), confidence: 1, worker: A26N0ZAW34UJUV
darker: 2 (eq: False, dd: True), confidence: 2, worker: AWRMHUCV3KAW9
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A79CHO3NW2IPO
(0: guessing, 1: probably, 2: definitely)