#339966 Color

#339966 is rgb(51, 153, 102) in RGB, hsl(150, 50%, 40%) in HSL, and about cmyk(67%, 0%, 33%, 40%) in CMYK. It has no registered color name of its own — the closest is Sea Foam Green (#2E8B57), clearly related but distinguishable side by side at ΔE 5.59. Black text is the more readable choice on this background.

#339966

HEX#339966

RGBrgb(51, 153, 102)

HSLhsl(150, 50%, 40%)

HSVhsv(150, 67%, 60%)

CMYKcmyk(67%, 0%, 33%, 40%)

OKLCHoklch(61.1% 0.122 157.6)

LABlab(56.46% -39.83 17.96)

LCHlch(56.46% 43.69 155.72)

What #339966 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 #339966, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Sea Foam Green#2E8B57ΔE 5.59 Brilliant Green 1621#009966ΔE 5.66 Green (NCS)#009F6BΔE 6.87 Traffic Green#008754ΔE 7.51 Shamrock Green#009E60ΔE 9.17 Green (Munsell)#00A877ΔE 9.43

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

#339966 Channel Values

How #339966 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 51 · G 153 · B 102	8-bit channels as sent to the display
HSL	H 150° · S 50% · L 40%	Easiest model for building lighter and darker variants
HSV	H 150° · S 67% · V 60%	Matches the picker in most design tools
CMYK	C 67% · M 0% · Y 33% · K 40%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	3.57:1 vs white · 5.89:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #339966 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.

Fails AAWhite text3.57:1AA normal AA large AAA normal

TextBlack text5.89:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #339966 in the contrast checker.

Colors That Go With #339966

Pairings derived from color-wheel relationships. The complementary color sits opposite #339966; 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 #339966

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 #339966.

How #339966 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#339966

Protanopia#8E8E66

Protanomaly#749266

Deuteranopia#828269

Deuteranomaly#6B8C68

Tritanopia#439494

Tritanomaly#3D9684

Achromatopsia#888888

Test a full palette in the color blindness simulator.

Using #339966 in Code

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

CSS custom property--color-339966: #339966;

CSS backgroundbackground-color: #339966;

Tailwind configcolors: { 'color-339966': '#339966' }

SwiftUIColor(red: 0.200, green: 0.600, blue: 0.400)

Android XML<color name="color_339966">#339966</color>

SVG fillfill="#339966"

More Green Colors

#339966 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

33cc00 339933 33cc33 339900 33cc66 336633 33cc99 336600 33ff00 32cd80 33ff33 32cd32 435a16 5da493 6edb00 8fffda a3c1ad b9f8cf d1e231 efffd6 00703c 00c950 087830 1c3800

#339966 Frequently Asked Questions

What color is #339966?

#339966 is a mid-tone green — rgb(51, 153, 102) in RGB and hsl(150, 50%, 40%) in HSL. It carries no registered color name of its own; the closest named color is Sea Foam Green (#2E8B57), which is clearly related but distinguishable side by side at a CIE76 distance of 5.59.

What is the RGB value of #339966?

#339966 is rgb(51, 153, 102) — red 51, green 153, and blue 102 on the 0-255 scale.

What is the CMYK value of #339966?

#339966 converts to approximately cmyk(67%, 0%, 33%, 40%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #339966 be black or white?

Black text is the more readable choice. #339966 scores 3.57:1 against white and 5.89:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #339966 as a CSS color keyword?

No. #339966 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 seagreen (#2E8B57) at a CIE76 distance of 5.59, which is clearly related but distinguishable side by side.

Open #339966 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 green in the color library, the guide to shades of green, or the full color library.