One way w/ css

one way w/ css stack an image 2x filter 1st, unclip 2nd on :hover a img { grid-area: 1 / 1; } img:first-of-type { filter: grayscale(1) invert(1); } img:last-of-type { clip-path: circle(0); transition: clip-path; } a:hover img:last-of-type { clip-path: circle(100%); }