Page 246 - Dubai Universal Design Code
P. 246

14.8. Colour and contrast


               Colour contrast between text and its background shall have a clear reflectance contrast
               of at least 50 LRV.


               14.9. Typography


               1.  In public spaces internationally recognizable icons and signs are preferred instead of
                   text.

               2.  All relevant textual information will be provided both in Arabic and English. When
                   numerals are used at least English numerals will be displayed.

               3.  Sans-serif fonts as Arial, Tahoma, Verdana, Avenir and Avenir Heavy shall be used.

               4.  Within a sign, not more than 2 typefaces should be used.

               5.  The distance at which a person can read the sign has to be taken into account
                   adjusting the font size according to the following table:



                       Signs font size according to reading distance

                       Reading distance             Minimum size          Recommended size

                       ≥50 meters                   170 mm                200 mm
                       20 meters                    140 mm                180 mm

                       5 meters                     70 mm                 140 mm

                       4 meters                     56 mm                 110 mm

                       3 meters                     42 mm                 84 mm

                       2 meters                     28 mm                 56 mm
                       1 meter                      14 mm                 28 mm

                       0.5 meters                   7 mm                  14 mm


                                Table 14. Accessible text according to reading distances


               6.  Signs should present chromatic contrast against their background where it is located
                   and between the texts or icons and the sign background, avoiding reflections.

               7.  Only long texts should be aligned to the left in Latin languages and to the right in
                   Arabic language.




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