#274E40 Color
#274E40 is rgb(39, 78, 64) in RGB, hsl(158, 33%, 23%) in HSL, and about cmyk(50%, 0%, 18%, 69%) in CMYK. It has no registered color name of its own — the closest is Zydeco (#20483F), very hard to tell apart at ΔE 3.92. White text is the more readable choice on this background.
#274E40rgb(39, 78, 64)hsl(158, 33%, 23%)hsv(158, 50%, 31%)cmyk(50%, 0%, 18%, 69%)oklch(39% 0.051 168.3)lab(29.97% -17.44 3.81)lch(29.97% 17.85 167.66)What #274E40 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 #274E40, 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.
#274E40 Channel Values
How #274E40 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 39 · G 78 · B 64 | 8-bit channels as sent to the display |
| HSL | H 158° · S 33% · L 23% | Easiest model for building lighter and darker variants |
| HSV | H 158° · S 50% · V 31% | Matches the picker in most design tools |
| CMYK | C 50% · M 0% · Y 18% · K 69% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.33:1 vs white · 2.25:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #274E40 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 #274E40 in the contrast checker.
Colors That Go With #274E40
Pairings derived from color-wheel relationships. The complementary color sits opposite #274E40; 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 #274E40
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 #274E40.
How #274E40 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.
#274E40#494940#3E4B40#444441#3A4841#2A4C4C#294D48#474747Using #274E40 in Code
Copy-ready declarations for the places this color usually ends up.
--color-274e40: #274E40;background-color: #274E40;colors: { 'color-274e40': '#274E40' }Color(red: 0.153, green: 0.306, blue: 0.251)<color name="color_274e40">#274E40</color>fill="#274E40"More Green Colors
#274E40 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#274E40 Frequently Asked Questions
What color is #274E40?
#274E40 is a dark green — rgb(39, 78, 64) in RGB and hsl(158, 33%, 23%) in HSL. It carries no registered color name of its own; the closest named color is Zydeco (#20483F), which is very hard to tell apart at a CIE76 distance of 3.92.
What is the RGB value of #274E40?
#274E40 is rgb(39, 78, 64) — red 39, green 78, and blue 64 on the 0-255 scale.
What is the CMYK value of #274E40?
#274E40 converts to approximately cmyk(50%, 0%, 18%, 69%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #274E40 be black or white?
White text is the more readable choice. #274E40 scores 9.33:1 against white and 2.25:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #274E40 as a CSS color keyword?
No. #274E40 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 darkslategray (#2F4F4F) at a CIE76 distance of 9.39, which is clearly related but distinguishable side by side.
Open #274E40 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.