[Enhancement] Form Field - color contrast

[henrikvoetmand]

• I have written a good issue

Describe the enhancement

• Placeholder text contrast against form field baggrund.
• Danger color border on brand colors

Describe the solution you'd like

Have you considered any alternatives?

Are there any additional context?

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Checklist:

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Refinement

• Request that the issue is UX refined
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Implementation

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• Publish a WIP implementation to Github as a draft PR and ask for feedback.
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Review

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