Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0736985699564
Darker point darker score: 0.958887628358
darker: 1 (eq: False, dd: True), confidence: 2, worker: A8M21O74D3SFU
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1W7PJXG8M38Z0
darker: 1 (eq: False, dd: True), confidence: 2, worker: A106ZSJP3CLBE4
darker: E (eq: True, dd: None), confidence: 2, worker: A2OF0GTKWKM2T5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
(0: guessing, 1: probably, 2: definitely)