Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.03415549666
Darker point darker score: 0.96963265347
darker: 1 (eq: False, dd: True), confidence: 1, worker: A11GWWAXRJQ6Y2 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: AH8FQGOADPCST (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2OF0GTKWKM2T5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 1 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A237FGJCPV99GJ
(0: guessing, 1: probably, 2: definitely)