Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.02180610693
Darker point darker score: 0.907027013643
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1TM1ZFU4OIPTD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B0AB2C9SIHN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A36XRHW6R8MU0C
darker: 2 (eq: False, dd: True), confidence: 2, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1MQPBGSL800TL
(0: guessing, 1: probably, 2: definitely)