Color Palette for Sustainable Energy / Climate Tech. Primary: #059669 (on-primary: #FFFFFF). Secondary: #10B981 (on-secondary: #0F172A). Accent: #059669 (on-accent: #FFFFFF). Background: #ECFDF5. Foreground: #064E3B. Card: #FFFFFF (card-foreground: #064E3B). Muted: #E8F1F3 (muted-foreground: #64748B). Border: #A7F3D0. Destructive: #DC2626 (on-destructive: #FFFFFF). Ring: #059669. Notes: Nature green + solar gold [Accent adjusted from #FBBF24 for WCAG 3:1].