Use thicker lines: Some mildly color-blind people are able to see a color, but only if there’s a sufficient “mass” of it.(Hint: many color-blind individuals report being able to better distinguish between bright colors rather than dim ones, which tend to blur into one another.) Use high contrast: Color-blind people can still perceive contrast, as well as differences in hue, saturation and brightness.Make it monochrome: Using various shades of a single color instead of multiple colors is of course the most surefire way to avoid color-blindness issues.Avoid the following color combinations, which are especially hard on color-blind people: Green & Red Green & Brown Blue & Purple Green & Blue Light Green & Yellow Blue & Grey Green & Grey Green & Black.We found this great list of design tips from, and we suggest you read their entire article, because it has more information and terrific visual examples: The same goes for using red and green – if they’re both the same shade, color-blind viewers won’t see the difference. If you use two shades of green in your design, one needs to be bright and one needs to be dark. Color-blind people can’t perceive as many shades of particular colors as most of us can. Contrast, or using different shades of colors, creates separation for someone who can’t perceive the entire color spectrum. We’ve talked about color perception and contrast in a previous digital signage design tips article, and this might be a good time to read it if you already haven’t.įor color-blind viewers – contrast is the most important design element.
With over 16 million colors displayed on each digital sign, though, the trick is to use the right ones in the right way. Plan on more than 99% of your audience being able to see colors. The most common types of color-blindness are the inability to recognize blue/yellow or red/green, with the latter being more common. Color-blindness is the reduced ability to distinguish between certain colors, and only a tiny percentage of people are born with monochromatic vision. The idea that color-blind people only see grey is a myth. As such, we thought we’d give you the rundown on color-blindness and some digital design tips to help. These numbers may seem low, but if you have your digital signs in high traffic areas, you need to consider the probability that some in your audience may be color-blind.
Estimates say that about 8% of men and 0.5% of women are born color-blind.