Meet the FlutterFlow Color Picker Widget 🎨 — a precision, touch-first picker with a large SV canvas, hue/alpha sliders, quick swatches, and one-tap format switching (HEX / RGBA / HSLA). Drag to dial the exact tone 🎯, copy instantly 📋, and preview contrast in real time ♿ — perfect for theming, editors, design tools, and any app that needs accurate, mobile-friendly color input.

Functionality

• 🟪 SV canvas + Hue/Alpha: Big saturation/value canvas with a smooth thumb; vertical hue bar + optional alpha (opacity) slider.

• 🔁 Format toggle: Live conversion between HEX / RGBA / HSLA; paste detection for #hex, rgb(), hsl() with auto-normalize.

• 👁️ Preview & contrast: Inline preview chip with optional WCAG AA/AAA contrast badge against a target background.

• 🧱 Swatches & recents: Built-in palette + recent picks; configurable rows and order.

• 🧪 Eyedropper (where supported): System sampling with graceful fallback to manual entry.

• 📋 Clipboard & input: One-tap copy; paste to set color; stepper/keyboard nudges for fine tuning.

• 🔗 Events & binding: onChange / onSubmit to update themes/components or stored values (debounce/throttle).

• ✅ Validation: Strict parsing with helpful messages; clamps out-of-range channels; optional UPPERCASE HEX.

• 🎨 Theming: Control canvas size, corner radius, slider thickness, thumb style, shadows, typography; Light/Dark ready.

• ♿ Accessibility: Large hit targets, logical focus order, screen-reader labels, high-contrast mode, full RTL.

• ⚡ Performance: GPU-accelerated gestures and lightweight renders for 60 fps interactions on real devices.

• 🔌 Integration: Emits both color objects and strings; easy binding to Firestore / Supabase / REST or app-wide theme vars.

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