| Comparison | Difference | Status |
|---|---|---|
| Thick - Standard | 2px (4px - 2px) | ✓ Minimal |
| Extra Thick - Thick | 2px (6px - 4px) | ✓ Minimal |
| Comparison | Difference | Status |
|---|---|---|
| Thick - Standard | 3px (6px - 3px) | ✓ Clearly Visible |
| Extra Thick - Thick | 3px (9px - 6px) | ✓ Clearly Visible |
Recommendation: Increase heights to 3px, 6px, and 9px for better visual distinction. The 50% increase in each step makes the differences more perceptible.