COLOR SYSTEM
As part of the OHM Corporate Identity System, the colors orange, yellow, red and grey have been chosen to represent OHM. To ensure consistency and to avoid confusion, only one of the following color systems should be used:Match the colors using the Pantone Matching System (PMS)

OHM RED: PMS 1815 C
OHM YELLOW: PMS 124 C
OHM ORANGE: PMS 1595 C
OHM GREY: PMS Warm Gray 11

For one-color print publications, the logo and signature may print in the same color as the text, or as a reverse. For one-color printing on merchandise and promotional items, the logo must print in Orange (PMS 1595 C), black, white or as a reverse. For four-color process materials, match the colors using the following equations:

For two-color materials in which PMS 1595 C is not used, the logo must be printed in the color used to print text or as a reverse. If the logo appears as a reverse in a field, the field may print in either color but must be consistent with the rules of reversing.

TYPOGRAPHY
The Helvetica Neue family is the official signature typeface. It was chosen to complement the OHM logotype, which is based on the Helvetica font, with which this paragraph is set.