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Disability (Access to Premises — Buildings) Standards 2010
D4.4 Luminance contrastD4.4 Luminance contrast
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D4.4 Luminance contrast
The following apply to luminance contrast:
(a) the background, negative space, fill of a sign or border with a minimum width of 5 mm must have a luminance contrast with the surface on which it is mounted of not less than 30%;
(b) tactile characters, icons and symbols must have a minimum luminance contrast of 30% to the surface on which the characters are mounted;
(c) luminance contrasts must be met under the lighting conditions in which the sign is to be located.