Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.10746943769
Darker point darker score: -1.3385302459
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2TE84RMBCJ1B1 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: ATN5M0LQEEYGU
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2KELEVTA0306Y
darker: E (eq: True, dd: None), confidence: 2, worker: A1S7UPUHFVXX4Z
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1136V0RZUR5TO
darker: 1 (eq: False, dd: False), confidence: 2, worker: A32M5FDKCPHMA
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1JHVZIC3FH9LG
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1D2E3QRL7O43T
(0: guessing, 1: probably, 2: definitely)