JIS S 0032:2003 (R2013)

This Japanese Industrial Standard specifies the estimation method of minimum legible size for a single character of Japanese characters such as HIRAGANA characters, KATAKANA characters, Arabic numerals and Chinese characters which the target to be observed of any age from the young to the elderly can read under various environments. The taraget characters shall be of two typefaces, Ming type and Gothic type, which are displayed in a dark colour in a bright background with the high contrast such as a black design on a white background and shall be used for visual signs and displays, such as signs, indicating labels, and pamphlets. Characters displayed with a dot-type electronic display are excluded. In addition, although the alphabet is not within the scope of this Standard, the estimation of minimum legible size for an alphabetical character may be done according to the specification for HIRAGANA characters, KATAKANA characters, Arabic numerals.