What this tool does
It includes WCAG contrast checks, gradient generation, box-shadow building, and border-radius previewing.
Design Helper
Design Helper
Four CSS design tools in one — contrast checker, gradient generator, box shadow, and border radius.
WCAG contrast checker
CSS gradient generator
Box shadow builder
Border radius designer
Instant CSS copy
Colors
Foreground (Text)
Background
—
Contrast Ratio
Quick Presets
Preview
Large Text Sample (18pt+)
Normal body text at standard size. Readability matters for all users, especially those with visual impairments.
WCAG 2.1 Standards
AA Normal text — minimum 4.5:1
AA Large text (18pt+ or 14pt bold) — minimum 3:1
AAA Normal text — minimum 7:1
AAA Large text — minimum 4.5:1
Large text = 24px regular or 18.67px bold (14pt bold).
Settings
Type
Angle 135°
Color Stops
0%
50%
100%
Generated CSS
background: linear-gradient(135deg, #7c3aed 0%, #0891b2 50%, #059669 100%);
Preview
Shadow Settings
Shadow Color
Presets
Generated CSS
box-shadow: 4px 8px 24px -4px rgba(0,0,0,0.25);
Preview
Box Background
Change the box color
Border Radius
All Corners (uniform) 12px
Individual Corners
↖ Top Left 12px
↗ Top Right 12px
↙ Bottom Left 12px
↘ Bottom Right 12px
Shape Presets
Generated CSS
border-radius: 12px;
Preview
Box Color
Change box color
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Tool guide
How Design Helper supports accessible UI work
Design Helper provides quick front-end utilities for readable color contrast and copy-ready CSS effects.
Who it helps
- Designers checking accessibility
- Developers building UI components
- Site owners polishing landing pages
Usage instructions
Use the controls to adjust colors or visual properties, then copy the generated CSS into your theme or component.
Understanding the output
Contrast pass/fail results indicate readability against WCAG thresholds. CSS previews should still be tested in the final page context.
Why it matters for hosting
Accessible, polished interfaces help hosting sites, client portals, documentation, and product pages feel trustworthy and usable.
