Accessible and Tactile Signage: A Practical Guide

Contrast does more than size

Legibility for people with reduced vision depends heavily on luminance contrast — the difference in lightness between the characters and their background, and between the sign and the wall behind it. A pale grey sign on a white wall can be effectively invisible even when the lettering is large.

So specify two contrasts, not one: text against sign face, and sign face against its surroundings. Avoid text over photographs and patterns entirely, and avoid using colour alone to distinguish one destination from another, since colour vision varies.

Type size, weight and case

Letter height follows reading distance: door signs read at close range can be modest, corridor and concourse signs need to be substantially larger. Use a clean typeface with open letterforms, and a medium or bold weight — light weights lose their strokes at distance and against glare.

Sentence case is generally easier to read than continuous capitals because word shapes assist recognition. Keep text left-aligned, avoid italics and avoid stretching or condensing letterforms to fit a space.

Tactile characters and Braille

Signs identifying rooms, floors, lifts and facilities such as toilets should be readable by touch. That means raised characters with a defined edge, and Braille alongside, positioned consistently so a user knows where to find it on every sign in the building.

Consistency is the whole point. If tactile signage is at chest height on one door, beside the handle on the next and above the frame on a third, it cannot be found reliably. Agree one convention — commonly on the wall on the latch side of the door, at a reachable height — and apply it everywhere.

Pictograms and plain words

Recognised pictograms help everyone: people with limited literacy, visitors with limited English, children, and anyone in a hurry. Use standard symbols rather than bespoke illustrations, and pair them with a short plain word.

The wording matters as much as the symbol. "Toilets" is understood; "Ablutions" is not. "Lift" is clearer than a floor plan with a lift icon buried in it. Where a facility is accessible, say so directly rather than relying on a symbol alone in a busy layout.

Heights, positions and reach

Signs should be positioned where they can be seen by someone seated as well as standing, and read at close range by someone with limited vision. That generally means a consistent mounting height for door and room signage, and larger overhead or projecting signs for distance viewing in corridors and open spaces.

Keep signs clear of door swings, radiators, fire equipment and furniture, and make sure there is space to approach a tactile sign without stepping into a traffic route or reaching across an opening door.

Glare, lighting and materials

High-gloss faces are the commonest accessibility failure in otherwise good signage: under downlights or near a window, the reflection wipes out the text for anyone approaching from the wrong angle. Matt or satin finishes solve it.

Lighting needs to be even and adequate at the sign, without pooling glare across it. Behind glass is another trap — glazed sign faces reflect, and they prevent tactile reading entirely.

Accessible routes need signing as routes

A step-free route is only useful if people can find it. Sign it from the point of arrival, at every decision point along it, and back again, in the same way you would sign the main route. "Accessible entrance" with an arrow at the front door is the minimum; a route signed halfway and then abandoned is worse than none.

Include the practical details visitors need: where accessible parking is, which entrance has level access, where the accessible toilet and lift are, and where assistance can be requested.

Test with real users

Nothing substitutes for asking. Walk the scheme with someone who uses a wheelchair, someone with limited vision, and someone unfamiliar with the building, and watch where they hesitate. Simple faults surface immediately: a sign lost in glare, a tactile plate behind an open door, a route that stops.

Correcting those before manufacture costs nothing and produces signage that works better for every visitor, not only those it was designed for.

Common questions