Do acids or bases change the color of indicators?
Indicators are meant to show the nature and characteristics of the solution provided, and usually the acids and bases change the colour of indicators as per their nature, some indicators like methyl orange, phenolphthaline, litmus paper(**been most used for detecting acid or bases)
The video below shows an experiment using an indicator derived from boiling red cabbage. A pigment from the cabbage called anthocyanin is what causes all of the different colors you see.
Other common indicators include:
Hope this helps!