Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.959609374951
Darker point darker score: 0.929382954095
darker: 2 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: APLPGURGFU8KN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3VO5CW9ZY22MZ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2S2GW07EAHPNA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A28B3UID8AT1GJ
(0: guessing, 1: probably, 2: definitely)