Question 1

What color formats does this color picker support?

Accepted Answer

QTool.io's Advanced Color Picker supports HEX, RGB, HSL, HSV/HSB, and CMYK color formats. All values update in real time as you pick colors, and you can type into any field to convert between formats instantly.

Question 2

How do I check color contrast for WCAG accessibility?

Accepted Answer

Use the built-in WCAG Contrast Checker section. Set your foreground and background colors, and the tool calculates the contrast ratio and shows pass/fail badges for WCAG AA and AAA compliance at both normal and large text sizes.

Question 3

Can I pick colors from an uploaded image?

Accepted Answer

Yes. Upload any image using the Image Eyedropper section. Click anywhere on the image to pick a color. The picked color is instantly loaded into the color picker with all format conversions available.

Question 4

How do color harmonies work?

Accepted Answer

Color harmonies are mathematically related colors based on their position on the color wheel. This tool generates Complementary, Analogous, Triadic, Split-Complementary, and Tetradic harmonies. Click any harmony swatch to copy its HEX value.

Advanced Color Picker

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