What is White dragon (ハク)?
Three white dragons, worth 1 han — and you may call for them.
Han and calls
1 han（Open is fine）
How it is formed
- Collect three white dragons as a triplet, or four as a kan.
- Calling is allowed.
- White, green and red dragons are separate yaku, so two of them give 2 han.
Example hand
Winning with this shape gives the following.
- Yaku scored：White dragon・Menzen tsumo
- Fu：30 fu／2 han
- Points for this example：3,000 points（Tsumo）
This opens the practice board with the hand already set up; press Tsumo to win with it.
Yaku it combines with
Questions
How many han is White dragon?
1 han, whether the hand is closed or open.
Does White dragon count on an open hand?
Yes. It still counts after pon, chi or kan.
Is one dragon triplet enough to win?
Yes. The default here is a one-han minimum, so a single dragon triplet lets you win.
Now put it to work
Last updated 2026-09-14 · Run by Qdan, Inc.