Design a dark mode color palette

Description: Design a dark theme alternative to the current purple gradient.

Requirements:

• High contrast (WCAG AA compliant, contrast ratio >4.5:1)
• Works well for LinkedIn/Twitter dark mode
• Maintain professional indie hacker aesthetic
• 5-6 colors: background, panel_bg, primary, secondary, text, accent

Todo:

• Design color palette (provide hex codes)
• Create mockup or color swatch image
• (Optional) Update agents/layout_compositor.py colors dict
• Add example output showing dark theme

Good for: Designers (no coding required! Just submit hex codes in a comment)

Current colors (for reference):

colors = {
    'background': '#f8f9fa',
    'panel_bg': '#ffffff',
    'primary': '#667eea',
    'secondary': '#764ba2',
    'text': '#1a202c',
    'accent': '#43e97b',
}

Resources:

• Color contrast checker: https://webaim.org/resources/contrastchecker/
• Dark theme inspiration: https://www.happyhues.co/