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Free Square Color Picker

Pick precise colors using a professional HSL/HSV square interface. Adjust hue, saturation and lightness with full visual control — fast, accurate and free.

Color Picker

Select or enter a color code

#2596BE
#
HSL/HSV Square Picker
Conversion
Variations
Color Combinations
Contrast Checker
Blindness Simulator

Core Features

  • Full Spectrum Gradient Picker
  • Explore all colors through a continuous hue–saturation gradient — perfect for discovering vivid or subtle tones.
  • Dedicated Lightness Slider
  • Fine-tune brightness to achieve exact UI-ready tones.
  • Instant Color Code Output
  • Display HEX, RGB, HSL values in real time as you move.
  • Large Real-Time Preview
  • Preview your selected color in a full-screen block for immediate visual feedback.
  • One-Click Copy
  • Copy your selected color instantly for use in CSS, design tools or apps.
  • Multiple Picker Modes
  • Switch between Spectrum Picker, Square Picker, Color Wheel, or HSL/HSV modes depending on your workflow.

How To Use

1
Select hue and saturation in the square area — click or drag to choose your base color.
2
Adjust hue with the hue slider — move the slider horizontally to change hue.
3
Copy the color code — copy HEX / RGB / HSL with one click.
4
Apply it in your project — paste into your design tool, CSS file or brand palette.

Find answers to commonly asked questions

What is an HSL/HSV square picker?

An HSL/HSV square picker provides a 2D interface that lets you visually select hue and saturation while controlling lightness with a slider.

What is the difference between the square picker and other pickers?

The square picker combines hue and saturation in one 2D area, while the wheel primarily shows hue and requires additional sliders.

Can I adjust all color properties?

Yes. You can adjust hue, saturation, and lightness with full control over the color.

Are the color codes accurate?

Yes — HEX, RGB and HSL values update instantly and match industry standards.

Is this tool free to use?

Yes. The entire square picker and all related functions are completely free.