Steps to reproduce
- Change Obsidian theme to Dark
- Create a Mermaid diagram that features emojis, such as the below:
flowchart TD
Idea --> visual(Visual<br>👁️)
Idea --> verbal(Verbal<br>💬)
visual --> recall(Recall<br>💡)
verbal --> recall
Did you follow the troubleshooting guide? [Y/N]
Yes, issue can be replicated in the Sandbox Vault.
Expected result
Emojis are displayed as they normally would depending on the operating system and throughout the rest of Obsidian.
Actual result
Emoji colours are inverted:
Environment
From Sandbox Vault:
SYSTEM INFO:
Obsidian version: 1.12.4
Installer version: 1.12.4
Operating system: Darwin Kernel Version 25.3.0: Wed Jan 28 20:53:15 PST 2026; root:xnu-12377.81.4~5/RELEASE_ARM64_T6000 25.3.0
Login status: logged in
Language: en-GB
Catalyst license: insider
Insider build toggle: off
Live preview: on
Base theme: dark
Community theme: none
Snippets enabled: 0
Restricted mode: on
RECOMMENDATIONS:
none
Also verified it happens in the Sandbox Vault in Windows 11.
Additional information
The only thing that appears to change this is the Obsidian base colour scheme toggle; Obsidian themes and using a Mermaid diagram specific theme (https://mermaid.ai/open-source/config/theming.html#diagram-specific-themes) do not impact this.