[ColorPicker] Fix contrast issue

[niels9001]

Summary of the Pull Request

#11987 #11986 - Minor tweaks in opacity so the font color meets accessibility requirements.

Quality Checklist

• Linked issue: [Color Picker- Editor]: Color Contrast ratio of 'Color Format'(RGB) text is 2.964:1 which is less than 4.5:1. #11987, [Color Picker- Editor]: Color Contrast ratio of 'Copy to Clipboard' button is 1.695:1 which is less than 3:1. #11986
• Communication: I've discussed this with core contributors in the issue.
• Tests: Added/updated and all pass
• Installer: Added/updated and all pass
• Localization: All end user facing strings can be localized
• Docs: Added/ updated
• Binaries: Any new files are added to WXS / YML
  • No new binaries
  • YML for signing for new binaries
  • WXS for installer for new binaries

Contributor License Agreement (CLA)

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[dedavis6797]

@jaimecbernardo can we get this into the Stable branch today?

[stefansjfw]

Tested with Accessibility Insights For Windows, color ratios are good now

[dedavis6797]

Perfect! Let me know once this is in the stable branch I'll kick off a new test build.

[jaimecbernardo]

@niels9001 ,
Thank you for the contribution!

[jaimecbernardo]

Perfect! Let me know once this is in the stable branch I'll kick off a new test build.

Getting some more fixes in, as well.