I used a colourimeter to measure the intensity of the light.

Colourimetry is a technique used to measure the concentration of a substance by analyzing its color.

The old black and white photograph was colourised to bring it to life.

He is colourblind and cannot distinguish between red and green.

The laboratory is equipped with several colourimeters.

She painted the walls colourfully.

The colourimetric test showed accurate results.

He was born with colourblindness.

What colourest thou?

The fabric's colourfastness is impressive.