Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.391996560729
Darker point darker score: 0.204089081339
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3GGE6TW2JXBEA (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2HSGLM9NG1QN7
darker: E (eq: True, dd: None), confidence: 2, worker: A3QLMSLL4AYTDT
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Q1A5H715C3EK
darker: 1 (eq: False, dd: True), confidence: 1, worker: AI90ZNJJ543AP (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1OPUMTQBJ9A09
(0: guessing, 1: probably, 2: definitely)