What is Green dragon (ハツ)?
Three green dragons, worth 1 han.
Han and calls
1 han（Open is fine）
How it is formed
- Collect three green dragons as a triplet, or four as a kan.
- Calling is allowed.
- It is also one of the tiles used in the all-green yakuman.
Example hand
Winning with this shape gives the following.
- Yaku scored：Green 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 Green dragon?
1 han, whether the hand is closed or open.
Does Green dragon count on an open hand?
Yes. It still counts after pon, chi or kan.
Is the green dragon part of all green?
Yes. All green uses only the 2, 3, 4, 6 and 8 of bamboo plus the green dragon.
Now put it to work
Last updated 2026-09-14 · Run by Qdan, Inc.