The phrase "altered colour" is correct and usable in written English.
It can be used when describing a change in the color of an object or material, often in contexts related to art, design, or photography.
Example: "The artist decided to use an altered colour palette to evoke a different mood in the painting."
Alternatives: "changed hue" or "modified color".
Grading success was not improved by changes in feeding sequence (30.6 ± 10.2%) or altered colour of the grading device (30.9 ± 13.8%).
The epithelium was intact and showed no other signs of abnormality other than the altered colour.
Symptoms at lower dose levels included altered colour vision, blurring (without impairment of visual acuity) and mild photophobia.
Although the mechanism of altered colour vision is unknown, there is evidence that reduced retinal oxygen saturation is associated with impaired colour vision in diabetics [ 15].
Diseases of the optic nerve generally result in RGC axonal loss, which manifests clinically as optic atrophy or optic neuropathy with corresponding reduced visual acuity, altered colour perception and visual field defects (3).
Intensified use of nitrogen fertilizer may enlarge leaf size22, tender stalks23, and alter colour of wheats17, therefore enhancing the feeding preference of cereal aphids24.
Dynamic physiological colour change allows animals to alter colours and patterns for communication, camouflage and thermoregulation.
A photograph of a painting can, for example, alter colours and increase contrast, making bad paintings look great and good paintings look like crap.
As semiconductor materials are shrunk to the nanoscale, their physical properties begin to alter: colours change, melting points decrease, electron energy bands turn into discrete levels, and reactive surface areas become proportionately larger as particle size decreases1.
On the other hand, the presence of a diffused dark deposit completely altered the colour and aesthetic of the surface, so that the sculpted details could no longer be fully appreciated.
Maternal genistein diet of agouti mice during pregnancy was found to have long-term effects on offspring and altered coat colour due to epigenetic modulation.
