Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.0395204186
Darker point darker score: 0.953998699168
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q2XBURXQ8RJS
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2I0M1XXACA4WE (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1YQ4Z1018RM1R
darker: 2 (eq: False, dd: True), confidence: 2, worker: AGY2PTZLZFT2L
darker: 2 (eq: False, dd: True), confidence: 2, worker: AFO6OUDRVZ317
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: E (eq: True, dd: None), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)