Color Picker
The Color Picker Window samples the colour of any pixel on screen. Trigger it from the Color Picker button in the main toolbar.
What You See
A small transparent overlay follows the cursor. It contains three things:
| Element | Purpose |
|---|---|
| Magnifier | 10× zoomed view of the pixels under the cursor, with a crosshair on the exact pixel being sampled. |
| Colour swatch | Solid block showing the current pixel's colour. |
| Value readout | HEX, RGB, and HSL strings for that pixel — all three update live. |
Move the mouse anywhere on the screen to see the values change in real time.
Confirming or Cancelling
| Action | Key / Gesture |
|---|---|
| Confirm selection | Left click |
| Cancel | Esc |
A confirmed pick is added to the recent colors list (capped at 10 entries, oldest drop off). The HEX value is also copied to the clipboard.
Recent Colors
Setting — Recent colors live in Annotation.RecentColors and are shared with the annotation toolbar.
This shared palette is the main reason the picker is useful beyond one-off colour inspection. Any colour you pick is immediately available as a swatch in the annotation colour palette (section 03), which means the common workflow is:
- Open the Color Picker.
- Sample a colour from the source image — a logo, a UI element, a screenshot of a brand palette.
- Click to confirm — swatch lands in recent colors.
- Select that swatch when annotating, and your pen, highlight, or shape matches the source exactly.
Tip — The picker samples whatever is actually on screen at the moment of click, including windows behind Tex. You don't need to load an image into the editor first.