Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.275115252888
Darker point darker score: 0.916514859427
darker: 2 (eq: False, dd: True), confidence: 2, worker: A223DDTP3FOZFU
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1CE5G48ELWN0F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2TEWO3WJ5YKGG (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IIE0ASFPHDBN
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
(0: guessing, 1: probably, 2: definitely)