Welcome to our AI agent services platform. Our intelligent agents can help you with various daily tasks.
Task Management Agent
Let our AI agent organize your schedule and manage your to-do lists efficiently.
This text has very low contrast and is hard to read.
This text has medium contrast but may not meet WCAG AA requirements.
Sign Up for Services
Service Status
Online
Offline
Busy
Service Usage Chart
Important: All services require internet connection. See our terms for details.
Calendar Integration Agent
Sync your calendar across all devices and get intelligent scheduling suggestions.
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This text has poor contrast on a dark background.
Form Validation
Invalid email format
Valid email format
Color Contrast and Visual Accessibility - Compliant Examples
The following examples demonstrate proper color contrast and visual accessibility:
WCAG AA Contrast Requirements
Normal Text (AA): This text meets WCAG AA requirements with a contrast ratio of at least 4.5:1 (black #000000 on white #ffffff = 21:1).
Large Text (AA): This large text (18px+) meets WCAG AA requirements with a contrast ratio of at least 3:1 (white #ffffff on blue #0066cc = 4.8:1).
WCAG AAA Contrast Requirements
Normal Text (AAA): This text meets WCAG AAA requirements with a contrast ratio of at least 7:1 (black #000000 on white #ffffff = 21:1).
Large Text (AAA): This large text (18px+) meets WCAG AAA requirements with a contrast ratio of at least 4.5:1 (white #ffffff on dark blue #1a237e = 7.2:1).
Multiple Visual Indicators (Not Color Alone)
Error Messages: Use color plus icons, borders, and text to indicate errors.
Success Messages: Use color plus icons and borders.
Warning Messages: Use color plus icons and borders.
Required Fields with Multiple Indicators
Required fields are indicated by: red color, asterisk symbol, bold text, and aria-required attribute.
Status Indicators with Multiple Cues
Status indicators use: color, shape (circle), text label, and border for better visibility.
Chart Legend with Multiple Indicators
Service Usage Chart
Chart legend uses: color squares with borders, text labels, and percentages. Color is not the only way to distinguish items.
Links with Multiple Visual Cues
Links are indicated by: underlined text, different color and bold text, and visible focus indicators.
Buttons with Clear Visual Indicators
Buttons have: sufficient contrast, borders, different styles for different actions, and visible focus indicators.
Form Input Focus Indicators
Form inputs have clear, high-contrast focus indicators (3px solid outline) that are visible against all backgrounds.
Interactive Elements with High Contrast
High Contrast LinkAll interactive elements meet minimum contrast requirements and have visible focus states.
Text on Colored Backgrounds
Blue Background: White text on blue background (#1976d2) has a contrast ratio of 4.6:1, meeting WCAG AA requirements.
Dark Blue Background: White text on dark blue background (#1a237e) has a contrast ratio of 7.2:1, meeting WCAG AAA requirements.
Green Background: White text on green background (#2e7d32) has a contrast ratio of 4.8:1, meeting WCAG AA requirements.
Icons with Text Labels
Icons are accompanied by text labels so users don't rely solely on visual recognition.
Form Validation with Multiple Indicators
Form validation uses: color, icons, borders, text messages, and ARIA attributes to indicate errors.
Graphical Elements with Text Alternatives
Charts and graphs include text labels, borders for better visibility, and data tables as alternatives.
Focus Indicators with High Contrast
Link with High Contrast FocusAll focus indicators use high-contrast colors (orange #ff6600 on any background) and are clearly visible.
Text Sizing and Contrast
Small Text (12px): This small text still meets contrast requirements (black on white = 21:1).
Large Text (18px+): Large text can use lower contrast ratios (3:1 for AA, 4.5:1 for AAA) while still being readable.
Normal Text (14-16px): Normal text requires higher contrast ratios (4.5:1 for AA, 7:1 for AAA).
Color Blindness Considerations
Service Status (Color Blind Friendly)
Information is conveyed through: color, shape, icons, text labels, and patterns - not color alone.
Borders and Patterns for Distinction
Different border styles (solid, dashed, dotted) help distinguish elements for users who have difficulty with color.