Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.934027399662
Darker point darker score: 0.936740290528
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2OF0GTKWKM2T5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: APLPGURGFU8KN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14V0QYZOJJATJ
darker: 2 (eq: False, dd: True), confidence: 2, worker: AO8LXT6Z1D9MU
darker: 2 (eq: False, dd: True), confidence: 2, worker: AG5PRN6LLI9E1
(0: guessing, 1: probably, 2: definitely)