Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.910792690823
Darker point darker score: 0.314720449052
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1ITTM18PQP5X8
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3I546VTF7B6YX
darker: 1 (eq: False, dd: True), confidence: 1, worker: A26N0ZAW34UJUV
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1DRFDGG2KCOI2 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1136V0RZUR5TO
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3SOJXAUQE15S3
(0: guessing, 1: probably, 2: definitely)