Accessibility
YouDesign Models includes three per-user accessibility toggles that change how the editor behaves — bigger selection targets, reduced motion, and a high-contrast canvas. They apply immediately without a page reload.
Opening the Accessibility Section
Open the settings drawer (see User Preferences) and expand the Accessibility section.
On the homepage — click the settings icon in the top-left.
In the editor — click the hamburger menu (☰) icon in the top-left bar.

The Three Toggles
Precise selection
Default: On
Increases the area around each element that registers as a click/drag target, so small or narrow elements are easier to select. Internally, the selection target grows from a 2×2 pixel sensitive area to 6×6 pixels.
Turn it off if:
You want clicks to only register when you're directly on an element, not near it
You find Precise selection accidentally picks up elements behind where you're actually aiming
Reduce motion
Default: Off
When enabled, disables all diagram animations — shape transitions, panning easing, visualization motion effects. The canvas still functions normally; it just snaps instead of animating.
Turn it on if:
You're sensitive to motion or have vestibular concerns
Animations are making the editor feel sluggish on a lower-powered machine
You're recording a screencast and don't want animation overhead in frames
High contrast
Default: Off
When enabled, sets the canvas background color to pure white (#ffffff) for maximum contrast against dark-colored shapes and text.
Turn it on if:
You have low-vision needs and want stronger figure/ground separation
You're preparing to export or screenshot a board where the grey default background muddies the image
Persistence
All three toggles are saved to your user preferences. They stick across sessions and apply on every board you open.
Not Role-Gated
Accessibility toggles are available to every user — there's no admin gate.
What They Don't Do
They don't change keyboard shortcuts or focus order. Standard browser accessibility conventions apply as-is.
They don't translate the UI — language is a separate setting (see User Preferences).
They don't export with the board. If you export a board as an image, the "High contrast" setting applies to your session only; the exported image uses the board's configured background color.
Related
User Preferences — the broader settings drawer
Keyboard Shortcuts — full shortcut reference
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