Change the olive oil tasting glass? Some see red

To conduct a sensory evaluation of an olive oil sample, an analyst will smell it, then taste it, but one should never consider the color of the oil, which has no bearing on its quality and should not be a factor when determining its organoleptic characteristics.

https://www.oliveoiltimes.com/olive-oil-basics/change-olive-oil-tasting-glass-see-red/56919