Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.203034715743
Darker point darker score: -0.189886332092
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1NZVXB0S8DR04
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1ODHC7GKYB5QA
darker: E (eq: True, dd: None), confidence: 2, worker: AGO9QN7UEDUYL
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3GTIIFSMHAKRZ
darker: 1 (eq: False, dd: False), confidence: 2, worker: A37Q1701BQI3TI
darker: 1 (eq: False, dd: False), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1JHVZIC3FH9LG
(0: guessing, 1: probably, 2: definitely)