To enhance contrast and legibility on slate engravings, several design elements can be effectively utilized. First, the choice of fonts plays a crucial role; bold, sans-serif typefaces often provide greater clarity against the natural texture of slate. Additionally, varying font sizes can help create a hierarchy, making important information stand out.

Color contrast is another essential factor. Using lighter shades for the engraving against a darker slate background—such as white or light gray—significantly improves readability. Infill techniques, such as painting or gold leafing, can also enhance visibility by contrasting against the dark surface.

The spacing between letters and lines should be carefully considered; increased letter spacing (tracking) and line spacing (leading) improve readability by preventing crowding. Additionally, incorporating visual elements like icons or borders can create focal points, drawing attention to key areas of the engraving.

Lastly, the overall layout should be uncluttered, allowing the viewer’s eye to flow naturally across the information presented, thereby maximizing both contrast and legibility.