Hoarding colour, contrast and glare: a field checklist

When you approve outdoor artwork, a brand palette that looks excellent on a laptop can disappear on the road. Your colour decision has to survive sunlight, rain, dust and night lighting, not just look stylish at 100 percent zoom.

Start with light and dark, not favourite colours

People read the difference in brightness before they read the hue. Put dark copy on a light field or light copy on a genuinely dark field. Two colours can be different but still have almost the same brightness, such as red on green or navy on black. Those combinations vibrate at distance and are hard to read quickly.

Use colour coding with a job for each colour

• One dominant brand colour creates recognition from far away.
• One contrast colour carries the offer, price cue or call to action.
• A neutral background gives the message room to breathe.

Do not make every message a different colour. The eye needs a clear reading order: brand, main promise, then action.

Check shine before printing

Glossy flex can throw a hard reflection when low sun or headlights hit it. Ask the printer for a small proof on the intended substrate. View it outdoors from an angle, once in direct sun and once under a bright lamp. A matte or low sheen finish usually gives more dependable readability. Dark areas also need enough ink density. A weak rich black can look brown or washed out in daylight.

Design for the actual lighting plan

For a front lit site, keep the important copy away from visible hotspot areas. For an LED screen, test the file at the screen's pixel pitch and brightness setting, not on a retina monitor. If the site is unlit, do not rely on fine type or low contrast photographs after dusk.

For the full message hierarchy, read the seven second test for hoarding creative.