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Keycaps

For information on aftermarket keycaps, see Keycaps.

Happy Hacking Professional keyboards, and Topre-manufactured keyboards in general, are known for their high quality OEM keycaps. All HHKB Pro keycap sets are made of PBT (polybutylene terephthalate), a durable plastic that resists wear and doesn't yellow over time (unlike ABS). The historical exception was the spacebar, made of ABS on all HHKB Professional models until the HHKB Professional Hybrid series.

OEM Full Keysets

PD-KB400KTB PD-KB400KTBN PD-KB400KTW PD-KB400KTWN

PD-KB420KTB PD-KB420KTW PD-K420KTYN PD-KB400KTYN

Model Number Printed Color Compatibility Notes
PD-KB400KTB Yes Charcoal ANSI (60 keys) ABS spacebar
PD-KB400KTBN No Charcoal ANSI (60 keys) ABS spacebar
PD-KB400KTW Yes White/Grey ANSI (60 keys) ABS spacebar
PD-KB400KTWN No White/Grey ANSI (60 keys) ABS spacebar
PD-KB420KTB Yes Charcoal JIS (69 keys) Japan-only
PD-KB420KTW Yes White/Grey JIS (69 keys) Japan-only
PD-KB400KTYN No Snow White ANSI (60 keys) Japan-only
PD-KB420KTYN No Snow White JIS (69 keys) Japan-only

OEM Partial Keysets

Red/blue set PD-KB400KT02 cg01000-302601 cg01000-302701

Model Number Printed Color Compatibility Description Notes
Both Red/Blue All Printed/non-printed red control and blue Escape Limited release in US, still sold in Japan
PD-KB400KT02 Both Blue/Green All Printed/non-printed blue control and green Escape Japan-only
CG01000-302701 Yes Charcoal All 25th Anniversary Fn keycap Limited edition (link)
CG01000-302601 Yes Gray All 25th Anniversary Fn keycap Limited edition (link)

Topre has also released keycap sets intended for use on their Realforce line of keyboards. These sets nearly support the HHKB line with the exception of the right Shift key. For blank sets, the space Caps Lock key can be used for the right shift key as long as you don't mind the slight difference in profile.

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