Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.88812861748
Darker point darker score: 0.402355802478
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3CB0SM114NJVL
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1AXIY3LLO186R
darker: 1 (eq: False, dd: True), confidence: 1, worker: ARW2F8HD8VOLX (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1KITOCUU7GERN
darker: 2 (eq: False, dd: False), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2OF0GTKWKM2T5
(0: guessing, 1: probably, 2: definitely)