Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.02181100998
Darker point darker score: 1.12365953507
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2RMGXC9IOMNQA (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A37JK3E3WOIGG2
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1MQPBGSL800TL
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1TM1ZFU4OIPTD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1D2E3QRL7O43T
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2OF0GTKWKM2T5
(0: guessing, 1: probably, 2: definitely)