Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.00832045562821
Darker point darker score: 0.0709467467051
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2EPRPJA681I8X
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WP497C1F99VT
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1HZWAX6XQXIM7
darker: E (eq: True, dd: None), confidence: 1, worker: AEHEZAYCPWF0E
darker: 1 (eq: False, dd: False), confidence: 0, worker: A10S23B6VB5G8M
darker: 2 (eq: False, dd: True), confidence: 1, worker: ABWVRVG5B5OMX (marked invalid)
(0: guessing, 1: probably, 2: definitely)