Add react color picker, show tailwind colors all the time

package-lock.json

@@ -10,6 +10,7 @@
       "dependencies": {
         "@tailwindcss/vite": "^4.0.6",
         "react": "^19.0.0",
+        "react-colorful": "^5.6.1",
         "react-dom": "^19.0.0",
         "tailwindcss": "^4.0.6"
       },
@@ -3250,6 +3251,16 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/react-colorful": {
+      "version": "5.6.1",
+      "resolved": "https://registry.npmjs.org/react-colorful/-/react-colorful-5.6.1.tgz",
+      "integrity": "sha512-1exovf0uGTGyq5mXQT0zgQ80uvj2PCwvF8zY1RN9/vbJVSjSo3fsB/4L3ObbF7u70NduSiK4xu4Y6q1MHoUGEw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": ">=16.8.0",
+        "react-dom": ">=16.8.0"
+      }
+    },
     "node_modules/react-dom": {
       "version": "19.0.0",
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.0.0.tgz",

package.json

@@ -12,6 +12,7 @@
   "dependencies": {
     "@tailwindcss/vite": "^4.0.6",
     "react": "^19.0.0",
+    "react-colorful": "^5.6.1",
     "react-dom": "^19.0.0",
     "tailwindcss": "^4.0.6"
   },

src/components/ColorPicker.tsx

@@ -1,4 +1,7 @@
-import { useState } from 'react'
+import { useState, useEffect } from 'react'
+import { HexColorPicker } from 'react-colorful'
+import { hexToRgb, rgbToHex, rgbToHsl, hslToRgb, rgbToHsb, hsbToRgb, findClosestTailwindColor } from '../utils/colors'
+import { TailwindColors } from './TailwindColors'
 
 type RGB = {
   r: number
@@ -23,21 +26,102 @@ type ColorFormat = 'hex' | 'rgb' | 'hsl' | 'hsb' | 'tailwind'
 export function ColorPicker() {
   const [color, setColor] = useState('#6366F1') // Default to indigo-500
   const [format, setFormat] = useState<ColorFormat>('hex')
+  const [displayValue, setDisplayValue] = useState(color)
+  const [closestTailwind, setClosestTailwind] = useState<{ name: string; hex: string }>({ name: 'indigo-500', hex: '#6366F1' })
+
+  useEffect(() => {
+    const rgb = hexToRgb(color)
+    if (!rgb) return
+
+    // Always update closest Tailwind color
+    const closest = findClosestTailwindColor(color)
+    setClosestTailwind(closest)
+
+    switch (format) {
+      case 'hex':
+        setDisplayValue(color)
+        break
+      case 'rgb':
+        setDisplayValue(`rgb(${rgb.r}, ${rgb.g}, ${rgb.b})`)
+        break
+      case 'hsl': {
+        const hsl = rgbToHsl(rgb.r, rgb.g, rgb.b)
+        setDisplayValue(`hsl(${hsl.h}, ${hsl.s}%, ${hsl.l}%)`)
+        break
+      }
+      case 'hsb': {
+        const hsb = rgbToHsb(rgb.r, rgb.g, rgb.b)
+        setDisplayValue(`hsb(${hsb.h}, ${hsb.s}%, ${hsb.b}%)`)
+        break
+      }
+      case 'tailwind':
+        setDisplayValue(closest.name)
+        break
+    }
+  }, [color, format])
+
+  const handleInputChange = (value: string) => {
+    let newHex = color
+
+    if (format === 'hex' && /^#[0-9A-Fa-f]{6}$/.test(value)) {
+      newHex = value
+    } else if (format === 'rgb') {
+      const match = value.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/)
+      if (match) {
+        const [_, r, g, b] = match.map(Number)
+        if (r <= 255 && g <= 255 && b <= 255) {
+          newHex = rgbToHex(r, g, b)
+        }
+      }
+    } else if (format === 'hsl') {
+      const match = value.match(/^hsl\((\d+),\s*(\d+)%,\s*(\d+)%\)$/)
+      if (match) {
+        const [_, h, s, l] = match.map(Number)
+        if (h <= 360 && s <= 100 && l <= 100) {
+          const rgb = hslToRgb(h, s, l)
+          newHex = rgbToHex(rgb.r, rgb.g, rgb.b)
+        }
+      }
+    } else if (format === 'hsb') {
+      const match = value.match(/^hsb\((\d+),\s*(\d+)%,\s*(\d+)%\)$/)
+      if (match) {
+        const [_, h, s, b] = match.map(Number)
+        if (h <= 360 && s <= 100 && b <= 100) {
+          const rgb = hsbToRgb(h, s, b)
+          newHex = rgbToHex(rgb.r, rgb.g, rgb.b)
+        }
+      }
+    }
+
+    setColor(newHex)
+    setDisplayValue(value)
+  }
 
   return (
-    <div className="w-full max-w-2xl mx-auto p-6 space-y-6">
+    <div className="w-full max-w-7xl mx-auto p-6">
-      <div className="flex flex-col items-center gap-6">
+      <h1 className="text-3xl font-bold text-center mb-8">Color Picker</h1>
-        <h1 className="text-3xl font-bold">Color Picker</h1>
       
+      <div className="grid grid-cols-1 lg:grid-cols-[1fr_2fr] gap-8">
+        {/* Left Column: Color Picker and Input */}
+        <div className="space-y-6">
+          <div className="flex flex-col items-center gap-4 p-6 bg-white rounded-xl shadow-sm">
             {/* Color Preview */}
             <div 
               className="w-32 h-32 rounded-lg shadow-lg border border-zinc-200"
               style={{ backgroundColor: color }}
             />
             
-        {/* Color Input */}
+            <div className="text-sm text-zinc-600">
-        <div className="w-full max-w-md">
+              Closest Tailwind: <span className="font-medium">{closestTailwind.name}</span>
-          <div className="flex gap-2 mb-4">
+            </div>
+
+            {/* Color Picker */}
+            <div className="w-full max-w-[200px]">
+              <HexColorPicker color={color} onChange={setColor} />
+            </div>
+
+            {/* Format Buttons */}
+            <div className="flex flex-wrap gap-2 justify-center w-full">
               {(['hex', 'rgb', 'hsl', 'hsb', 'tailwind'] as const).map((f) => (
                 <button
                   key={f}
@@ -53,23 +137,24 @@ export function ColorPicker() {
               ))}
             </div>
 
-          <div className="relative">
+            {/* Color Input */}
+            <div className="w-full">
               <input
                 type="text"
-              value={color}
+                value={displayValue}
-              onChange={(e) => setColor(e.target.value)}
+                onChange={(e) => handleInputChange(e.target.value)}
                 className="w-full px-4 py-2 rounded-md border border-zinc-300 focus:outline-none focus:ring-2 focus:ring-indigo-500"
                 placeholder="Enter color value..."
               />
-            <input
-              type="color"
-              value={color}
-              onChange={(e) => setColor(e.target.value)}
-              className="absolute right-2 top-1/2 -translate-y-1/2 w-8 h-8 p-0 border-0 rounded-md cursor-pointer"
-            />
             </div>
           </div>
         </div>
+
+        {/* Right Column: Tailwind Colors */}
+        <div className="bg-white rounded-xl shadow-sm p-4">
+          <TailwindColors onColorSelect={setColor} selectedColor={color} />
+        </div>
+      </div>
     </div>
   )
 } 

src/components/TailwindColors.tsx

@@ -0,0 +1,40 @@
+import { useMemo } from 'react'
+import { TAILWIND_COLORS } from '../utils/colors'
+
+interface TailwindColorsProps {
+  onColorSelect: (color: string) => void
+  selectedColor?: string
+}
+
+export function TailwindColors({ onColorSelect, selectedColor }: TailwindColorsProps) {
+  const colorEntries = useMemo(() => Object.entries(TAILWIND_COLORS), [])
+
+  return (
+    <div className="w-full overflow-x-auto">
+      <div className="grid grid-cols-[repeat(auto-fit,minmax(100px,1fr))] gap-4">
+        {colorEntries.map(([colorName, shades]) => (
+          <div key={colorName} className="space-y-2">
+            <div className="text-sm font-medium text-zinc-600 capitalize">{colorName}</div>
+            <div className="grid grid-rows-[repeat(11,1fr)] gap-1">
+              {Object.entries(shades).map(([shade, hex]) => (
+                <button
+                  key={`${colorName}-${shade}`}
+                  onClick={() => onColorSelect(hex)}
+                  className={`w-full h-7 rounded transition-all hover:scale-105 hover:shadow-lg group relative
+                    ${selectedColor === hex ? 'ring-2 ring-offset-2 ring-indigo-500' : ''}`}
+                  style={{ backgroundColor: hex }}
+                  title={`${colorName}-${shade}: ${hex}`}
+                >
+                  <span className={`absolute left-2 text-xs font-medium opacity-0 group-hover:opacity-100 transition-opacity
+                    ${Number(shade) > 500 ? 'text-white' : 'text-black'}`}>
+                    {shade}
+                  </span>
+                </button>
+              ))}
+            </div>
+          </div>
+        ))}
+      </div>
+    </div>
+  )
+} 

src/utils/colors.ts

@@ -182,41 +182,225 @@ export function hsbToRgb(h: number, s: number, v: number): { r: number; g: numbe
   }
 }
 
-// Function to find the closest Tailwind color
+// Function to find the closest Tailwind color using CIELAB color space
-export function findClosestTailwindColor(hex: string): string {
+export function findClosestTailwindColor(hex: string): { name: string; hex: string } {
-  // This is a simplified version - we'll expand this with actual Tailwind colors
+  const rgb1 = hexToRgb(hex)
-  const tailwindColors = {
+  if (!rgb1) return { name: 'Invalid color', hex }
-    'red-500': '#EF4444',
-    'blue-500': '#3B82F6',
-    'green-500': '#22C55E',
-    'yellow-500': '#EAB308',
-    'purple-500': '#A855F7',
-    'pink-500': '#EC4899',
-    'indigo-500': '#6366F1',
-    // Add more colors as needed
-  }
-
-  const targetRgb = hexToRgb(hex)
-  if (!targetRgb) return 'Invalid color'
 
   let closestColor = ''
+  let closestHex = ''
   let minDistance = Infinity
 
-  Object.entries(tailwindColors).forEach(([name, colorHex]) => {
+  // Convert RGB to Lab
-    const currentRgb = hexToRgb(colorHex)
+  const lab1 = rgbToLab(rgb1.r, rgb1.g, rgb1.b)
-    if (!currentRgb) return
 
-    const distance = Math.sqrt(
+  Object.entries(TAILWIND_COLORS).forEach(([colorName, shades]) => {
-      Math.pow(targetRgb.r - currentRgb.r, 2) +
+    Object.entries(shades).forEach(([shade, colorHex]) => {
-      Math.pow(targetRgb.g - currentRgb.g, 2) +
+      const rgb2 = hexToRgb(colorHex)
-      Math.pow(targetRgb.b - currentRgb.b, 2)
+      if (!rgb2) return
-    )
+
+      const lab2 = rgbToLab(rgb2.r, rgb2.g, rgb2.b)
+      const distance = deltaE(lab1, lab2)
 
       if (distance < minDistance) {
         minDistance = distance
-      closestColor = name
+        closestColor = `${colorName}-${shade}`
+        closestHex = colorHex
       }
     })
+  })
 
-  return closestColor
+  return { name: closestColor, hex: closestHex }
 }
+
+// CIELAB color space conversion functions
+function rgbToLab(r: number, g: number, b: number) {
+  let x, y, z
+
+  r = r / 255
+  g = g / 255
+  b = b / 255
+
+  r = r > 0.04045 ? Math.pow((r + 0.055) / 1.055, 2.4) : r / 12.92
+  g = g > 0.04045 ? Math.pow((g + 0.055) / 1.055, 2.4) : g / 12.92
+  b = b > 0.04045 ? Math.pow((b + 0.055) / 1.055, 2.4) : b / 12.92
+
+  x = (r * 0.4124 + g * 0.3576 + b * 0.1805) / 0.95047
+  y = (r * 0.2126 + g * 0.7152 + b * 0.0722) / 1.00000
+  z = (r * 0.0193 + g * 0.1192 + b * 0.9505) / 1.08883
+
+  x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + 16/116
+  y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + 16/116
+  z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + 16/116
+
+  return {
+    l: (116 * y) - 16,
+    a: 500 * (x - y),
+    b: 200 * (y - z)
+  }
+}
+
+// Calculate color difference using CIEDE2000
+function deltaE(lab1: { l: number; a: number; b: number }, lab2: { l: number; a: number; b: number }) {
+  const deltaL = lab2.l - lab1.l
+  const deltaA = lab2.a - lab1.a
+  const deltaB = lab2.b - lab1.b
+  const c1 = Math.sqrt(lab1.a * lab1.a + lab1.b * lab1.b)
+  const c2 = Math.sqrt(lab2.a * lab2.a + lab2.b * lab2.b)
+  const deltaC = c2 - c1
+  let deltaH = deltaA * deltaA + deltaB * deltaB - deltaC * deltaC
+  deltaH = deltaH < 0 ? 0 : Math.sqrt(deltaH)
+  const sc = 1.0 + 0.045 * c1
+  const sh = 1.0 + 0.015 * c1
+  const deltaLKlsl = deltaL / (1.0)
+  const deltaCkcsc = deltaC / (sc)
+  const deltaHkhsh = deltaH / (sh)
+  return Math.sqrt(deltaLKlsl * deltaLKlsl + deltaCkcsc * deltaCkcsc + deltaHkhsh * deltaHkhsh)
+}
+
+// Export Tailwind colors for use in other components
+export const TAILWIND_COLORS = {
+  slate: {
+    50: '#f8fafc',
+    100: '#f1f5f9',
+    200: '#e2e8f0',
+    300: '#cbd5e1',
+    400: '#94a3b8',
+    500: '#64748b',
+    600: '#475569',
+    700: '#334155',
+    800: '#1e293b',
+    900: '#0f172a',
+    950: '#020617',
+  },
+  gray: {
+    50: '#f9fafb',
+    100: '#f3f4f6',
+    200: '#e5e7eb',
+    300: '#d1d5db',
+    400: '#9ca3af',
+    500: '#6b7280',
+    600: '#4b5563',
+    700: '#374151',
+    800: '#1f2937',
+    900: '#111827',
+    950: '#030712',
+  },
+  zinc: {
+    50: '#fafafa',
+    100: '#f4f4f5',
+    200: '#e4e4e7',
+    300: '#d4d4d8',
+    400: '#a1a1aa',
+    500: '#71717a',
+    600: '#52525b',
+    700: '#3f3f46',
+    800: '#27272a',
+    900: '#18181b',
+    950: '#09090b',
+  },
+  red: {
+    50: '#fef2f2',
+    100: '#fee2e2',
+    200: '#fecaca',
+    300: '#fca5a5',
+    400: '#f87171',
+    500: '#ef4444',
+    600: '#dc2626',
+    700: '#b91c1c',
+    800: '#991b1b',
+    900: '#7f1d1d',
+    950: '#450a0a',
+  },
+  orange: {
+    50: '#fff7ed',
+    100: '#ffedd5',
+    200: '#fed7aa',
+    300: '#fdba74',
+    400: '#fb923c',
+    500: '#f97316',
+    600: '#ea580c',
+    700: '#c2410c',
+    800: '#9a3412',
+    900: '#7c2d12',
+    950: '#431407',
+  },
+  yellow: {
+    50: '#fefce8',
+    100: '#fef9c3',
+    200: '#fef08a',
+    300: '#fde047',
+    400: '#facc15',
+    500: '#eab308',
+    600: '#ca8a04',
+    700: '#a16207',
+    800: '#854d0e',
+    900: '#713f12',
+    950: '#422006',
+  },
+  green: {
+    50: '#f0fdf4',
+    100: '#dcfce7',
+    200: '#bbf7d0',
+    300: '#86efac',
+    400: '#4ade80',
+    500: '#22c55e',
+    600: '#16a34a',
+    700: '#15803d',
+    800: '#166534',
+    900: '#14532d',
+    950: '#052e16',
+  },
+  blue: {
+    50: '#eff6ff',
+    100: '#dbeafe',
+    200: '#bfdbfe',
+    300: '#93c5fd',
+    400: '#60a5fa',
+    500: '#3b82f6',
+    600: '#2563eb',
+    700: '#1d4ed8',
+    800: '#1e40af',
+    900: '#1e3a8a',
+    950: '#172554',
+  },
+  indigo: {
+    50: '#eef2ff',
+    100: '#e0e7ff',
+    200: '#c7d2fe',
+    300: '#a5b4fc',
+    400: '#818cf8',
+    500: '#6366f1',
+    600: '#4f46e5',
+    700: '#4338ca',
+    800: '#3730a3',
+    900: '#312e81',
+    950: '#1e1b4b',
+  },
+  purple: {
+    50: '#faf5ff',
+    100: '#f3e8ff',
+    200: '#e9d5ff',
+    300: '#d8b4fe',
+    400: '#c084fc',
+    500: '#a855f7',
+    600: '#9333ea',
+    700: '#7e22ce',
+    800: '#6b21a8',
+    900: '#581c87',
+    950: '#3b0764',
+  },
+  pink: {
+    50: '#fdf2f8',
+    100: '#fce7f3',
+    200: '#fbcfe8',
+    300: '#f9a8d4',
+    400: '#f472b6',
+    500: '#ec4899',
+    600: '#db2777',
+    700: '#be185d',
+    800: '#9d174d',
+    900: '#831843',
+    950: '#500724',
+  },
+} as const