Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.890436242838
Darker point darker score: -0.103376579167
darker: 1 (eq: False, dd: True), confidence: 1, worker: A23RB1Y4ANXQLS
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1GY0P2ZEJ1RK7
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1136V0RZUR5TO
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1136V0RZUR5TO
(0: guessing, 1: probably, 2: definitely)