#366D66 Color

#366D66 is rgb(54, 109, 102) in RGB, hsl(172, 34%, 32%) in HSL, and about cmyk(50%, 0%, 6%, 57%) in CMYK. It has no registered color name of its own — the closest is Myrtle Green (#317873), clearly related but distinguishable side by side at ΔE 5.68. White text is the more readable choice on this background.

#366D66

HEX#366D66

RGBrgb(54, 109, 102)

HSLhsl(172, 34%, 32%)

HSVhsv(172, 50%, 43%)

CMYKcmyk(50%, 0%, 6%, 57%)

OKLCHoklch(49.5% 0.06 184.7)

LABlab(42.14% -20.48 -2.01)

LCHlch(42.14% 20.58 185.60)

What #366D66 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #366D66, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Myrtle Green#317873ΔE 5.68 Hooker's Green#49796BΔE 6.59 Peacock#005F5FΔE 9.21 Ming#36747DΔE 10.01 Skobeloff#007474ΔE 10.2 Wintergreen Dream#56887DΔE 11.05

Browse the full index of named colors A-Z or every teal in the library.

#366D66 Channel Values

How #366D66 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 54 · G 109 · B 102	8-bit channels as sent to the display
HSL	H 172° · S 34% · L 32%	Easiest model for building lighter and darker variants
HSV	H 172° · S 50% · V 43%	Matches the picker in most design tools
CMYK	C 50% · M 0% · Y 6% · K 57%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	5.94:1 vs white · 3.54:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #366D66 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text5.94:1AA normal AA large AAA normal

Fails AABlack text3.54:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #366D66 in the contrast checker.

Colors That Go With #366D66

Pairings derived from color-wheel relationships. The complementary color sits opposite #366D66; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #366D66

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #366D66.

How #366D66 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#366D66

Protanopia#666666

Protanomaly#576966

Deuteranopia#5F5F67

Deuteranomaly#526567

Tritanopia#386C6C

Tritanomaly#376C6A

Achromatopsia#646464

Test a full palette in the color blindness simulator.

Using #366D66 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-366d66: #366D66;

CSS backgroundbackground-color: #366D66;

Tailwind configcolors: { 'color-366d66': '#366D66' }

SwiftUIColor(red: 0.212, green: 0.427, blue: 0.400)

Android XML<color name="color_366d66">#366D66</color>

SVG fillfill="#366D66"

More Teal Colors

#366D66 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424 f5ffff 002a38 f0ffff 002d2e eefbfb 003333 ecfeff 003542 ecf7f9 003838 ebffff 006466 009999 00ebeb 0d1616 192929 24fbff 36747d 50bfe6 73a9c2 8dd9cc aec6cf ccffff

#366D66 Frequently Asked Questions

What color is #366D66?

#366D66 is a dark teal — rgb(54, 109, 102) in RGB and hsl(172, 34%, 32%) in HSL. It carries no registered color name of its own; the closest named color is Myrtle Green (#317873), which is clearly related but distinguishable side by side at a CIE76 distance of 5.68.

What is the RGB value of #366D66?

#366D66 is rgb(54, 109, 102) — red 54, green 109, and blue 102 on the 0-255 scale.

What is the CMYK value of #366D66?

#366D66 converts to approximately cmyk(50%, 0%, 6%, 57%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #366D66 be black or white?

White text is the more readable choice. #366D66 scores 5.94:1 against white and 3.54:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #366D66 as a CSS color keyword?

No. #366D66 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is teal (#008080) at a CIE76 distance of 13.45, which is visibly different.

Open #366D66 in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.