Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.883593315232
Darker point darker score: 0.934305737936
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2B8MKZ6ING8E7
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2KFG0H3IXPFM9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: ABC27RCVTNR5C (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IX44UFXFW0ZY
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2EY9GDVA7L8YM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AIKBREX7SEPXE
darker: 2 (eq: False, dd: True), confidence: 2, worker: AEHEZAYCPWF0E
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
(0: guessing, 1: probably, 2: definitely)