Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0646892116783
Darker point darker score: 0.909833556348
darker: 2 (eq: False, dd: True), confidence: 2, worker: APLPGURGFU8KN
darker: 2 (eq: False, dd: True), confidence: 2, worker: AYJ67827HW8LL
darker: 2 (eq: False, dd: True), confidence: 2, worker: AI0LPDLUHKFMT (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1A50D6DABL6IK
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3GFISRU6V2MG5
darker: E (eq: True, dd: None), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)