Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.23671801195
Darker point darker score: 0.918140199142
darker: 1 (eq: False, dd: True), confidence: 2, worker: APLPGURGFU8KN
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3FRJKOYCI9Q53 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2RMSR5X69YMCL
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2JVJ7J2MVGW9S
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3FZPVGNOACL0D (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: ALLP45O3BDWYM
darker: E (eq: True, dd: None), confidence: 2, worker: A2K9VAUQ9I7CLT
(0: guessing, 1: probably, 2: definitely)