fix: light theme WCAG AA color contrast

[justinjdev]

Summary

• Darken light theme accent, scout, and monitor colors to meet WCAG AA contrast ratios (4.5:1 minimum for normal text)
• All three pairs were previously below 4.5:1; now all pass

Color	Before	After	Contrast
accent	#8b6914 (4.1:1)	#7a5a0e (5.1:1)	Pass
scout	#4a8a9e (3.3:1)	#377080 (4.7:1)	Pass
monitor	#7b6ea4 (3.4:1)	#635599 (4.8:1)	Pass

Dark theme was already compliant — no changes needed.

Test plan

• Verify light theme text is readable on all pages
• Verify scout/monitor colors on how-it-works page are legible
• Verify link hover states still look distinct

🤖 Generated with Claude Code

Summary by CodeRabbit

• Style
  • Updated light theme color palette for improved visual consistency and accessibility, including changes to accent colors, link hover states, focus indicators, and category-specific colors.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 93212153-cec0-4795-9a45-508d459b251e

📥 Commits

Reviewing files that changed from the base of the PR and between 18e1e62 and a27e3a7.

📒 Files selected for processing (1)

• site/src/lib/styles/theme.css

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📝 Walkthrough

Walkthrough

Updated light theme color palette in the CSS theme file by changing six CSS color variables to new hex values. The accent, hover, focus, scout, and monitor color variables were modified without adding new features or altering functionality.

Changes

Cohort / File(s)	Summary
Light Theme Colors site/src/lib/styles/theme.css	Updated six CSS color variables in the light theme: --color-accent, --color-accent-hover, --color-link-hover, --color-focus, --color-scout, and --color-monitor to new hex values.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/light-theme-a11y

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