Skip to main content

Color Converter

Lifestyle Tools

HEX, RGB and HSL conversion

Quick Answer

Color Converter: HEX, RGB and HSL conversion. Color Converter uses standard everyday life formulas to compute accurate results instantly.

Color

#10B981

Relative luminance0.364
Suggested text colorBlack
Contrast vs white2.54:1

Conversion steps

  1. 1HEX #10B981 → split into RR/GG/BB: 10 / B9 / 81
  2. 2Parse as base-16 → RGB(16, 185, 129)
  3. 3Max=185, min=16 → hue 160°, lightness 39%
  4. 4CMYK: K = 1 − max/255 = 27%, then C/M/Y = (1 − channel − K)/(1 − K)

Where each format is used

FormatThis colorTypical use
HEX#10B981CSS / design handoff
RGBrgb(16, 185, 129)Screens (additive primaries)
HSLhsl(160, 84%, 39%)CSS tweaks — lighten/darken by L
HSV160°, 91%, 73%Color pickers (PS/Figma)
CMYK91/0/30/27%Print (subtractive, device-dependent)

Click any format row to copy. Click complementary/inverse swatch to convert that color. Contrast ≥ 4.5:1 meets WCAG AA for normal text.

RGB: screen additive primaries (0-255). HSL/HSV: hue 0-360°, saturation/lightness(value) %. CMYK: print subtractive primaries %. Conversion RGB↔CMYK is device-dependent; values here use the naive formula. Hue rotation by +180° gives the complementary color.

Was this tool helpful?

How to Use

  1. Enter scenario values: fill real-life numbers into the Color Converter (defaults work for a quick try).
  2. Instant results: everything computes live, no button needed.
  3. Read the advice: results come with practical tips, reference standards and pitfalls.
  4. Compare options: adjust parameters to compare choices side by side.

Key Points

  • Color Converter is a free online everyday life tool — open and use, no sign-up.
  • All calculations run locally in your browser; your data never leaves the device.
  • Key capability: HEX, RGB and HSL conversion.
  • Results come with formulas and reference tables so you can verify every number.

Formula & How It Works

Color Converter formula

Color Converter uses standard everyday life formulas to compute accurate results instantly.

FAQ

How do I use the Color Converter?
Open the page and fill in the input fields — results update automatically. HEX, RGB and HSL conversion.
Are the results accurate?
Yes. Standard formulas and conversion factors are used and verified.
Is it free? Do I need to sign up?
Completely free. No registration, login or download required.
Does it work on mobile?
Yes. The responsive design works on phones, tablets and desktops.
Is my data saved?
No. Everything runs locally in your browser.

Related Tools

Related Guides

Source & Updates

Based on common formulas and industry conventions. Last updated: 2025-07

Last updated:

Formulas and content on this page are reviewed by the YiJianSuan team. For reference only — official sources prevail.

Maintained and periodically reviewed by the YiJianSuan editorial team — review process in ourEditorial Policy.

Cite this page: YiJianSuan. Color Converter[EB/OL]. https://www.yijiansuan.com/en/c/life/color-convert

Results provided by this tool are for reference only and do not constitute professional advice.