| Esperanto | Deutsch | |
| blua | blau | ✘ |
| intense blua | blau — intensiv blau | ✘ |
| helblua | hellblau | ✘ |
| ĉielblua | lasurblau — himmelblau | ✘ |
| blualgoj | Blaualgen | ✘ |
| subluanto | Untermieter | ✘ |
| lavbluaĵo | Waschblau | ✘ |
| ezokoblua | hechtgrau | ✘ |
| cejanblua | kornblumenblau | ✘ |
| Blua Nilo | Blauer Nil | ✘ |
| malhelblua | dunkelblau | ✘ |
| BluaRivero | Jangtsekiang | ✘ |
| ↳ | Jangtse-Fluß | ✘ |
| ↳ | Jangtse-Fluss | ✘ |
| blua cirkuo | [Vogelart] Kornweihe | ✘ |
| profunda blua | tiefblau | ✘ |
| intense blua | tiefblau | ✘ |
| ↳ | intensiv blau | ✘ |
| guĝo-verda-blua | RGB | ✘ |