Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.01217563633
Darker point darker score: 0.912322479516
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3CB0SM114NJVL
darker: 2 (eq: False, dd: False), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QW1C79IH4GOG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: ANE1T9B3JJAS5
(0: guessing, 1: probably, 2: definitely)