Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.905533211751
Darker point darker score: 1.11384537806
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2YUBS32Z1NI59
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1LC5CYDRIHNRM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HFS9E2FHNXDR
darker: 2 (eq: False, dd: True), confidence: 1, worker: A26N0ZAW34UJUV
darker: 2 (eq: False, dd: True), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 2, worker: AIOZSJB0O6OSQ
(0: guessing, 1: probably, 2: definitely)