Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.879866601306
Darker point darker score: 0.94110231912
darker: 2 (eq: False, dd: True), confidence: 2, worker: A32C9XHST5VZC8
darker: 2 (eq: False, dd: True), confidence: 1, worker: AXEQ3XKI2IXC2
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2OF0GTKWKM2T5
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2XWHAVGMXTVMJ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2DTELFC4X0QJQ
(0: guessing, 1: probably, 2: definitely)