Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.01737527779
Darker point darker score: 0.958841504925
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2EKPA2DR5VSA8
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 1 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1GVN53BJRWKD2
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3IXQP73TWQX0D
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)