T06d forms color: color picker with hex, RGB and HSV, swatches, palette, eye dropper, gradient editor

tasks/ch01-10.md

@@ -237,11 +237,11 @@
 
 ## T06d Forms · Color
 
-- [ ] ColorPicker — HSV, RGB, HEX, alpha
-- [ ] ColorSwatch
-- [ ] ColorPalette
-- [ ] EyeDropper — prove: `NSColorSampler`
-- [ ] GradientEditor
+- [x] ColorPicker — HSV, RGB, HEX, alpha → `forms::ColorPicker`
+- [x] ColorSwatch → `forms::ColorSwatch`
+- [x] ColorPalette → `forms::ColorPalette`
+- [x] EyeDropper — proved: `NSColorSampler`; sRGB read tested (`read_srgb`), the sampler draws out of process → `forms::EyeDropper`
+- [x] GradientEditor → `forms::GradientEditor`
 
 ## T06e Forms · Files