HK$100: Rainbow Crossing
The stately Tsing Ma Bridge, which links Lantau Island and the Kowloon Peninsula, is one of the longest highway and railway suspension bridges in the world. The hustle and bustle of the traffic along the routes connected to the Bridge is a testimony to Hong Kong's vitality and bright future.

The HK$100 banknote has a red colour scheme, with a measurement of 153mm (length) by 76.5 mm (width).
Visible Fluorescent
Fluorescent image can be seen under ultraviolet light.
Fluorescent Machine Readable Barcode
Machine readable barcode and denomination numeral visible on the front panel under ultraviolet light.
Intaglio Printing
Given an embossed feel, particularly on finger feel lines at the bottom right corner, Bank of China Tower and lettering of the front panel.
See-through Pattern
Exactly aligned on both sides when the banknote is held against the light.
Multitone and Highlight Watermarks
A very bright watermark, showing the bauhinia flower and the denomination numeral when the banknote is held against the light.
Serial Numbers
Printed horizontally and vertically on the front panel. Novel vertical serial number is used on the left.
Iridescent Images
Shimmering iridescent image showing three bauhinia flowers on the front panel when the banknote is tilted under bright light.
Micro Lettering
Used in many areas of the new banknotes.
Concealed Denomination
Visible when the front panel is tilted under light.
Denomination Numeral in Optical Variable Ink
The colour of the denomination numeral shifts between gold and green at the bottom right corner of the front panel when the banknote is viewed at different angles.
Embedded Thread
Visible from both sides when the banknote is held against the light.
Holographic Windowed Thread
A 4mm-wide security thread with holographic images woven in the paper.
Invisible Fluorescent Fibres
Red, blue and green fibres (randomly embedded in the paper) visible under ultraviolet light.

Important Notice:
Users are prohibited from printing the image of any banknote from the website without the written consent of the Monetary Authority. It is stipulated under section 103 of the Crimes Ordinance that "A person who, without the consent in writing of the Monetary Authority, reproduces on any substance whatsoever, and whether or not to the correct scale, any Hong Kong currency note or any part of a Hong Kong currency note, commits an offence and is liable on summary conviction to imprisonment for 6 months and a fine of $20,000."