#289D0B Color
#289D0B is rgb(40, 157, 11) in RGB, hsl(108, 87%, 33%) in HSL, and about cmyk(75%, 0%, 93%, 38%) in CMYK. It has no registered color name of its own — the closest is Slimy Green (#299617), clearly related but distinguishable side by side at ΔE 5.57. Black text is the more readable choice on this background.
#289D0Brgb(40, 157, 11)hsl(108, 87%, 33%)hsv(108, 93%, 62%)cmyk(75%, 0%, 93%, 38%)oklch(60.8% 0.196 141)lab(56.75% -51.03 55.40)lch(56.75% 75.32 132.65)What #289D0B 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 #289D0B, 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.
#289D0B Channel Values
How #289D0B 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 40 · G 157 · B 11 | 8-bit channels as sent to the display |
| HSL | H 108° · S 87% · L 33% | Easiest model for building lighter and darker variants |
| HSV | H 108° · S 93% · V 62% | Matches the picker in most design tools |
| CMYK | C 75% · M 0% · Y 93% · K 38% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.55:1 vs white · 5.92:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #289D0B 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 #289D0B in the contrast checker.
Colors That Go With #289D0B
Pairings derived from color-wheel relationships. The complementary color sits opposite #289D0B; 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 #289D0B
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 #289D0B.
How #289D0B 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.
#289D0B#91910F#75960D#85851D#6B8F17#479494#3D9875#888888Using #289D0B in Code
Copy-ready declarations for the places this color usually ends up.
--color-289d0b: #289D0B;background-color: #289D0B;colors: { 'color-289d0b': '#289D0B' }Color(red: 0.157, green: 0.616, blue: 0.043)<color name="color_289d0b">#289D0B</color>fill="#289D0B"More Green Colors
#289D0B sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#289D0B Frequently Asked Questions
What color is #289D0B?
#289D0B is a dark green — rgb(40, 157, 11) in RGB and hsl(108, 87%, 33%) in HSL. It carries no registered color name of its own; the closest named color is Slimy Green (#299617), which is clearly related but distinguishable side by side at a CIE76 distance of 5.57.
What is the RGB value of #289D0B?
#289D0B is rgb(40, 157, 11) — red 40, green 157, and blue 11 on the 0-255 scale.
What is the CMYK value of #289D0B?
#289D0B converts to approximately cmyk(75%, 0%, 93%, 38%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #289D0B be black or white?
Black text is the more readable choice. #289D0B scores 3.55:1 against white and 5.92:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #289D0B as a CSS color keyword?
No. #289D0B 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 green (#008000) at a CIE76 distance of 12.96, which is visibly different.
Open #289D0B in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.