fix: improve light theme contrast for better readability

[Khatwangadhareddy]

• Increased contrast for light theme colors to enhance visibility
• Adjusted color palette to reduce eye strain and improve user comfort

Fixes #2631

The light is too dim

Checks

• Ran yarn test-build
• Updated relevant documentations
• Updated matching config options in altair-static

Changes proposed in this pull request:

Summary by Sourcery

Improve the light theme's color contrast to enhance readability and user comfort.

Bug Fixes:

• Increase contrast for light theme colors to enhance visibility and reduce eye strain.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request improves the light theme contrast for better readability. The changes focus on adjusting color values in the color palette to enhance visibility and reduce eye strain. The implementation involves modifying RGB values for various color definitions.

User Journey Diagram for Improved Light Theme Contrast

journey
    title User Journey for Improved Light Theme Contrast
    section Before Improvement
      User: Use application with default light theme
      User: Experience low contrast and eye strain
    section After Improvement
      User: Use application with improved light theme
      User: Experience enhanced visibility and reduced eye strain

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File-Level Changes

Change	Details	Files
Adjusted RGB values for light theme colors	Modified RGB values for various color definitions Increased contrast for some light colors Adjusted brightness levels for better visibility	.yarn/releases/yarn-1.18.0.cjs

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[sourcery-ai]

Hey @Khatwangadhareddy - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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