Color Schemes
Color schemes provide predefined color palettes that give your diagrams a consistent, professional look.
What Are Color Schemes?
A color scheme is a curated set of colors designed to work well together. Applying a scheme ensures visual harmony across your diagram.
Available Schemes
Diagrammix3 includes several built-in color schemes:
Professional
- Clean blues and grays
- Suitable for business documents
- High contrast for presentations
Vibrant
- Bold, saturated colors
- Eye-catching for marketing materials
- Good for creative projects
Pastel
- Soft, muted tones
- Easy on the eyes
- Ideal for detailed diagrams
Monochrome
- Shades of a single color
- Elegant and focused
- Great for minimalist designs
High Contrast
- Maximum readability
- Accessibility-focused
- Good for projected presentations

Applying Color Schemes
To a Single Shape
- Select the shape
- In the Inspector, click the Style section
- Click the Color Scheme dropdown
- Choose a scheme
- Select which color from the scheme to apply
To Multiple Shapes
- Select all shapes to recolor
- Access the Color Scheme dropdown
- Apply colors across the selection
To an Entire Diagram
- Select all (Cmd+A)
- Apply a color scheme
- Colors are distributed across shapes
Customizing Schemes
Creating Your Own
- Go to Format → Color Schemes → Edit Schemes...
- Click + to create a new scheme
- Add colors to your palette
- Name your scheme
- Click Save
Editing Existing Schemes
- Open the scheme editor
- Select a custom scheme
- Add, remove, or modify colors
- Save changes
Note: Built-in schemes cannot be modified, but you can duplicate and customize them.
Using Brand Colors
For consistent branding:
- Create a custom scheme with your brand colors
- Include primary, secondary, and accent colors
- Add neutral tones for backgrounds
- Apply consistently across all diagrams
Tips
- Start with a scheme: Choose colors before adding content
- Limit your palette: 4-6 colors usually works best
- Consider context: Presentation colors differ from print colors
- Test contrast: Ensure text is readable against fill colors
- Export consistency: Colors may appear differently in various export formats