#337559 Color
#337559 is rgb(51, 117, 89) in RGB, hsl(155, 39%, 33%) in HSL, and about cmyk(56%, 0%, 24%, 54%) in CMYK. It has no registered color name of its own — the closest is Amazon (#3B7A57), very hard to tell apart at ΔE 4.37. White text is the more readable choice on this background.
#337559rgb(51, 117, 89)hsl(155, 39%, 33%)hsv(155, 56%, 46%)cmyk(56%, 0%, 24%, 54%)oklch(51.1% 0.082 163.2)lab(44.37% -27.48 8.85)lch(44.37% 28.87 162.14)What #337559 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 #337559, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every green in the library.
#337559 Channel Values
How #337559 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 117 · B 89 | 8-bit channels as sent to the display |
| HSL | H 155° · S 39% · L 33% | Easiest model for building lighter and darker variants |
| HSV | H 155° · S 56% · V 46% | Matches the picker in most design tools |
| CMYK | C 56% · M 0% · Y 24% · K 54% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.48:1 vs white · 3.83:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #337559 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.
Need a specific ratio against another background? Open #337559 in the contrast checker.
Colors That Go With #337559
Pairings derived from color-wheel relationships. The complementary color sits opposite #337559; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #337559
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #337559.
How #337559 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.
#337559#6D6D59#5B7059#65655B#556C5A#3B7272#387369#696969Using #337559 in Code
Copy-ready declarations for the places this color usually ends up.
--color-337559: #337559;background-color: #337559;colors: { 'color-337559': '#337559' }Color(red: 0.200, green: 0.459, blue: 0.349)<color name="color_337559">#337559</color>fill="#337559"More Green Colors
#337559 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#337559 Frequently Asked Questions
What color is #337559?
#337559 is a dark green — rgb(51, 117, 89) in RGB and hsl(155, 39%, 33%) in HSL. It carries no registered color name of its own; the closest named color is Amazon (#3B7A57), which is very hard to tell apart at a CIE76 distance of 4.37.
What is the RGB value of #337559?
#337559 is rgb(51, 117, 89) — red 51, green 117, and blue 89 on the 0-255 scale.
What is the CMYK value of #337559?
#337559 converts to approximately cmyk(56%, 0%, 24%, 54%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #337559 be black or white?
White text is the more readable choice. #337559 scores 5.48:1 against white and 3.83:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #337559 as a CSS color keyword?
No. #337559 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 16.54, which is visibly different.
Open #337559 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.