#39B18B Color
#39B18B is rgb(57, 177, 139) in RGB, hsl(161, 51%, 46%) in HSL, and about cmyk(68%, 0%, 21%, 31%) in CMYK. It has no registered color name of its own — the closest is Jungle Green (#29AB87), very hard to tell apart at ΔE 2.72. Black text is the more readable choice on this background.
#39B18Brgb(57, 177, 139)hsl(161, 51%, 46%)hsv(161, 68%, 69%)cmyk(68%, 0%, 21%, 31%)oklch(68.4% 0.12 167.8)lab(64.96% -41.54 9.39)lch(64.96% 42.59 167.27)What #39B18B 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 #39B18B, 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.
#39B18B Channel Values
How #39B18B 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 57 · G 177 · B 139 | 8-bit channels as sent to the display |
| HSL | H 161° · S 51% · L 46% | Easiest model for building lighter and darker variants |
| HSV | H 161° · S 68% · V 69% | Matches the picker in most design tools |
| CMYK | C 68% · M 0% · Y 21% · K 31% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.68:1 vs white · 7.84:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #39B18B 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 #39B18B in the contrast checker.
Colors That Go With #39B18B
Pairings derived from color-wheel relationships. The complementary color sits opposite #39B18B; 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 #39B18B
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 #39B18B.
How #39B18B 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.
#39B18B#A4A48B#86A98B#97978E#7CA28D#48ADAD#42AEA0#9E9E9EUsing #39B18B in Code
Copy-ready declarations for the places this color usually ends up.
--color-39b18b: #39B18B;background-color: #39B18B;colors: { 'color-39b18b': '#39B18B' }Color(red: 0.224, green: 0.694, blue: 0.545)<color name="color_39b18b">#39B18B</color>fill="#39B18B"More Green Colors
#39B18B sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#39B18B Frequently Asked Questions
What color is #39B18B?
#39B18B is a mid-tone green — rgb(57, 177, 139) in RGB and hsl(161, 51%, 46%) in HSL. It carries no registered color name of its own; the closest named color is Jungle Green (#29AB87), which is very hard to tell apart at a CIE76 distance of 2.72.
What is the RGB value of #39B18B?
#39B18B is rgb(57, 177, 139) — red 57, green 177, and blue 139 on the 0-255 scale.
What is the CMYK value of #39B18B?
#39B18B converts to approximately cmyk(68%, 0%, 21%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #39B18B be black or white?
Black text is the more readable choice. #39B18B scores 2.68:1 against white and 7.84:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #39B18B as a CSS color keyword?
No. #39B18B 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 mediumaquamarine (#66CDAA) at a CIE76 distance of 11.36, which is visibly different.
Open #39B18B in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.