Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.161469288215
Darker point darker score: 0.0760930760489
darker: 2 (eq: False, dd: False), confidence: 2, worker: A22BAUES1TIZS6
darker: E (eq: True, dd: None), confidence: 1, worker: A3F8DJPNU5NJ69
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1A50D6DABL6IK
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3O8YXPG1HGUH0
darker: 1 (eq: False, dd: True), confidence: 0, worker: AUJPYSYU7YL5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: AU4FF0366TBAR (marked invalid)
(0: guessing, 1: probably, 2: definitely)