Color Accessibility Checker

Evaluate color accessibility for these brand colors:

**Color Palette:**
- Primary Color: ${{PRIMARY_COLOR_HEX}}
- Secondary Color: ${{SECONDARY_COLOR_HEX}}
- Accent Color: ${{ACCENT_COLOR_HEX}}
- Background Colors: ${{BACKGROUND_COLORS}}
- Text Colors: ${{TEXT_COLORS}}

**Usage Context:**
- Primary Application: ${{PRIMARY_APPLICATION}}
- Target Audience: ${{TARGET_AUDIENCE}}
- Accessibility Level Target: ${{WCAG_LEVEL_AA_AAA}}

Please analyze and recommend:

1. **Contrast Ratio Analysis**
   - Each color combination's ratio
   - WCAG 2.1 AA compliance (4.5:1 normal, 3:1 large)
   - WCAG 2.1 AAA compliance (7:1 normal, 4.5:1 large)
   - Pass/fail for each combination

2. **Text Legibility Assessment**
   - Body text on backgrounds
   - Heading text on backgrounds
   - Link colors
   - Button text
   - Form elements
   - Navigation items

3. **Color Blindness Simulation**
   - Deuteranopia (red-green)
   - Protanopia (red-green)
   - Tritanopia (blue-yellow)
   - Achromatopsia (total)
   - Problem areas identified

4. **Interactive Element Colors**
   - Default state
   - Hover state
   - Focus state
   - Active state
   - Disabled state
   - Error state

5. **Data Visualization Colors**
   - Chart color accessibility
   - Distinguishable data series
   - Colorblind-safe alternatives
   - Pattern/texture supplements

6. **Failing Combinations**
   - List of non-compliant pairings
   - Current ratio
   - Required adjustment
   - Suggested alternatives

7. **Optimized Color Suggestions**
   - Adjusted hex values for compliance
   - Minimal change approach
   - Brand consistency maintenance
   - Before/after comparison

8. **Implementation Guidelines**
   - Focus indicator colors
   - Selection highlight colors
   - Status indicator colors
   - Notification colors

9. **Testing Recommendations**
   - Browser extensions to use
   - Testing tools
   - User testing approach
   - Ongoing monitoring

10. **Accessibility Color Palette**
    - Compliant primary combinations
    - Safe text/background pairs
    - Accessible accent usage
    - Emergency fallbacks

Provide specific hex adjustments and implementation guidelines for full accessibility compliance.