Zokilos

Color Tools

Convert HEX/RGB/HSL, generate shades & find complementary colors


Shades & tints

Complementary color

What Is a Color Tools Page?

This page converts a color between the three formats used in web and design work — HEX, RGB, and HSL — and generates a few useful variations from whatever color you start with.

How to Convert a Color

1

Use the color picker, or type into any of the three fields.

2

The other two formats update automatically.

3

Press "Copy" next to whichever value you need.

Is This Tool Free?

Yes — there's no paywall, no watermark, and no sign-up required.

Converting Between HEX, RGB, and HSL

All three fields stay in sync — edit the HEX code, type an RGB value, type an HSL value, or drag the color picker, and the other two update immediately. Each format is useful in different contexts: HEX for CSS, RGB when you need individual channel values, HSL when you want to reason about hue and lightness directly.

The Shades and Tints Palette

Ten swatches show your color stepped from near-black to near-white at the same hue and saturation — click any swatch to load that variation into the fields above. Useful for finding a lighter or darker version of a brand color without guessing at values.

Finding a Complementary Color

The complementary swatch is your color's hue rotated 180 degrees around the color wheel — the classic "opposite" color that pairs with it for contrast.

Does It Generate Full Color Schemes?

No — this tool only generates one complementary color, not a full palette. It doesn't offer triadic, analogous, or split-complementary scheme generation the way a dedicated palette tool would.

Checking Color Contrast for Accessibility

This page doesn't check contrast ratios. For that, use the Color Contrast Checker to see whether two colors meet WCAG accessibility requirements for text and backgrounds.

Is My Color Data Saved Anywhere?

No — everything happens in your browser. Nothing is ever uploaded or sent anywhere.

Color Tools for Designers and Developers

Useful any time you need to move a color between a design tool and code, or explore variations on a starting point.

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CSS & UI work

Convert a design tool's color value into the HEX or RGB your code needs.

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Building a palette

Generate lighter and darker steps from a single brand color.

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Format conversion

Translate a color between formats when a tool only accepts one.

Limitations of This Color Tools Page

  • No CMYK conversion for print
  • Only one complementary color, no full scheme generator
  • No accessibility/contrast checking — use the Color Contrast Checker for that

Benefits of Using This Tool

  • HEX, RGB, and HSL all stay in sync live
  • Instant shade/tint palette and complementary color
  • Nothing ever uploaded — runs entirely in your browser
  • Free, with no sign-up required

Frequently Asked Questions About Color Conversion

Is this color tool actually free?

Yes — there's no paywall, no watermark, and no sign-up required.

Can I convert between HEX, RGB, and HSL?

Yes, in any direction — edit any of the three fields, or use the color picker, and the other two update automatically.

Does it generate full color schemes, like triadic or analogous?

No, it generates one complementary color (directly opposite on the color wheel) plus a 10-step shade and tint palette of your chosen color. It doesn't offer triadic, analogous, or split-complementary scheme generation.

Does it check color contrast for accessibility?

Not on this page — that's a separate tool. Use the Color Contrast Checker to test whether two colors meet accessibility contrast requirements.

Does it support CMYK for print?

No, only HEX, RGB, and HSL are supported — there's no CMYK conversion for print work.

Is my color data saved anywhere?

No. Everything happens in your browser — nothing is ever uploaded or sent anywhere.