Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.930030614273
Darker point darker score: 0.939125032858
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2EKPA2DR5VSA8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A78TPTAQJ9YDC (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3PX16PNFHQ5OK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3454T4PU9GJM0
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)