Sentence examples for blue colour from inspiring English sources

When the slide is flushed with an alcohol solution, gram-positive bacteria retain the blue colour and gram-negative bacteria lose the blue colour.

The blue colour of the images comes from the dust that sits across the planet's atmosphere.

Most greens result from the addition of yellow pigment to the structural blue colour.

Neon produces the familiar orange-red colour of advertising signs; xenon emits a beautiful blue colour.

Coloration depends on whether the animal is of the "white" or the "blue" colour phase.

The dwarf planet has long been depicted as a grey or blue colour.

Of its insipid grey and weak blue colour scheme, he notes: "passengers would supply the colour".

I looked up at the sky, slightly baffled by its deep blue colour.

But how, if at all, do these facts figure into the blue colour?

That blue colour is a real switch-off for me.

Blue colour indicated the presence of hydrolyzable tannins.