#066B5B Color

#066B5B is rgb(6, 107, 91) in RGB, hsl(170, 89%, 22%) in HSL, and about cmyk(94%, 0%, 15%, 58%) in CMYK. It has no registered color name of its own — the closest is Tropical Rain Forest (#00755E), clearly related but distinguishable side by side at ΔE 6. White text is the more readable choice on this background.

#066B5B

HEX#066B5B

RGBrgb(6, 107, 91)

HSLhsl(170, 89%, 22%)

HSVhsv(170, 94%, 42%)

CMYKcmyk(94%, 0%, 15%, 58%)

OKLCHoklch(47.3% 0.086 177.4)

LABlab(39.94% -30.20 1.24)

LCHlch(39.94% 30.22 177.64)

What #066B5B 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 #066B5B, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Tropical Rain Forest#00755EΔE 6 Pine Green#01796FΔE 6.95 Bottle Green#006A4EΔE 7.42 Generic Viridian#007F66ΔE 9.84 Myrtle Green#317873ΔE 10.18 Skobeloff#007474ΔE 10.46

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

#066B5B Channel Values

How #066B5B 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 6 · G 107 · B 91	8-bit channels as sent to the display
HSL	H 170° · S 89% · L 22%	Easiest model for building lighter and darker variants
HSV	H 170° · S 94% · V 42%	Matches the picker in most design tools
CMYK	C 94% · M 0% · Y 15% · K 58%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	6.44:1 vs white · 3.26:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #066B5B 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 text6.44:1AA normal AA large AAA normal

Fails AABlack text3.26:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #066B5B in the contrast checker.

Colors That Go With #066B5B

Pairings derived from color-wheel relationships. The complementary color sits opposite #066B5B; 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 #066B5B

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 #066B5B.

How #066B5B 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#066B5B

Protanopia#62625B

Protanomaly#4D665B

Deuteranopia#59595D

Deuteranomaly#45605C

Tritanopia#146969

Tritanomaly#106A64

Achromatopsia#5E5E5E

Test a full palette in the color blindness simulator.

Using #066B5B in Code

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

CSS custom property--color-066b5b: #066B5B;

CSS backgroundbackground-color: #066B5B;

Tailwind configcolors: { 'color-066b5b': '#066B5B' }

SwiftUIColor(red: 0.024, green: 0.420, blue: 0.357)

Android XML<color name="color_066b5b">#066B5B</color>

SVG fillfill="#066B5B"

More Teal Colors

#066B5B 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

#066B5B Frequently Asked Questions

What color is #066B5B?

#066B5B is a dark teal — rgb(6, 107, 91) in RGB and hsl(170, 89%, 22%) in HSL. It carries no registered color name of its own; the closest named color is Tropical Rain Forest (#00755E), which is clearly related but distinguishable side by side at a CIE76 distance of 6.

What is the RGB value of #066B5B?

#066B5B is rgb(6, 107, 91) — red 6, green 107, and blue 91 on the 0-255 scale.

What is the CMYK value of #066B5B?

#066B5B converts to approximately cmyk(94%, 0%, 15%, 58%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #066B5B be black or white?

White text is the more readable choice. #066B5B scores 6.44:1 against white and 3.26:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #066B5B as a CSS color keyword?

No. #066B5B 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 13.01, which is visibly different.

Open #066B5B 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.