Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.342647664313
Darker point darker score: 0.926612472431
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IIE0ASFPHDBN
darker: 2 (eq: False, dd: True), confidence: 1, worker: AWO91BEOHNOJB
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2SYRUPGAUG1QO
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
darker: E (eq: True, dd: None), confidence: 0, worker: A35Y9YHW91OY2U (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2C5N3IQEP0KWA (marked invalid)
(0: guessing, 1: probably, 2: definitely)