docs: update default color space in README and TypeScript interfaces to 'oklch'

Author: lokesh

README.md

@@ -74,7 +74,7 @@ swatches.Vibrant?.color.hex();
 |---|---|---|
 | `colorCount` | `10` | Number of palette colors (2–20) |
 | `quality` | `10` | Sampling rate (1 = every pixel, 10 = every 10th) |
-| `colorSpace` | `'rgb'` | Quantization space: `'rgb'` or `'oklch'` |
+| `colorSpace` | `'oklch'` | Quantization space: `'rgb'` or `'oklch'` |
 | `worker` | `false` | Offload to Web Worker (browser only) |
 | `signal` | — | `AbortSignal` to cancel extraction |
 | `ignoreWhite` | `true` | Skip white pixels |

src/observe.ts

@@ -28,7 +28,7 @@ export interface ObserveOptions extends FilterOptions {
     colorCount?: number;
     /** Sampling quality (1 = highest). @default 10 */
     quality?: number;
-    /** Color space for quantization. @default 'rgb' */
+    /** Color space for quantization. @default 'oklch' */
     colorSpace?: ColorSpace;
     /** Called whenever a new palette is extracted. */
     onChange: (palette: Color[]) => void;

src/types.ts

@@ -62,7 +62,7 @@ export interface ExtractionOptions extends FilterOptions {
     colorCount?: number;
     /** Sampling quality (1 = highest). @default 10 */
     quality?: number;
-    /** Color space for quantization. @default 'rgb' */
+    /** Color space for quantization. @default 'oklch' */
     colorSpace?: ColorSpace;
     /** AbortSignal to cancel extraction. */
     signal?: AbortSignal;