Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.104551491051
Darker point darker score: 0.937235063685
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QP3LRCVC20M0
darker: E (eq: True, dd: None), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A15XHPD9NN0LU2
darker: E (eq: True, dd: None), confidence: 2, worker: A1ZK135JLUOY0U
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1QXQBZE7ROQ4F
darker: 2 (eq: False, dd: True), confidence: 2, worker: APLPGURGFU8KN
(0: guessing, 1: probably, 2: definitely)