Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.944837349531
Darker point darker score: 0.974614781747
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2YUEQDJHNS6P7 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B0AB2C9SIHN
darker: 1 (eq: False, dd: True), confidence: 2, worker: AGY2PTZLZFT2L
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1KF93C9NTOP42
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2T2OXP4DAUXEY (marked invalid)
(0: guessing, 1: probably, 2: definitely)