What color models does this tool support?

It supports HEX, RGB, HSL, HSV, and CMYK. You can convert between any of them instantly.

Can I preview the color live?

Yes. The tool shows a live preview of the selected or converted color, including transparency.

Does it support alpha values?

Yes. You can adjust alpha transparency and copy RGBA or HSLA values.

Can I generate palettes?

Yes. The tool can generate complementary, triadic, or random palettes and export them to JSON/CSV.

Does this tool run locally?

Yes. All conversions and previews run in your browser with no server upload.

Toolzium

Palette

Convert HEX, RGB, HSL, build gradients, check contrast, and export tints & shades.

Pick & HEX

Alpha

100%

HEX

RGB / RGBA

HSL / HSLA

HSV

CMYK

cmyk(88%, 44%, 0%, 0%)

HEX

#1e90ff

HEX with alpha

#ff1e90ff

RGB

rgb(30, 144, 255)

HSL

hsl(210, 100%, 56%)

Contrast Checker

Ratio: 21:1 • Normal: AAA • Large: AAA

Background

Foreground

The quick brown fox jumps

Large text preview — target at least AA.

Gradient Builder

End color

Angle

90°

Palette (tints & shades)

100

200

300

400

500

600

700

800

900

1000

Harmonies

Complementary

Analogous

Triadic

Tetradic

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