#289E00 Color
#289E00 is rgb(40, 158, 0) in RGB, hsl(105, 100%, 31%) in HSL, and about cmyk(75%, 0%, 100%, 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 7.4. Black text is the more readable choice on this background.
#289E00rgb(40, 158, 0)hsl(105, 100%, 31%)hsv(105, 100%, 62%)cmyk(75%, 0%, 100%, 38%)oklch(61.1% 0.199 140.6)lab(57.06% -51.53 57.23)lch(57.06% 77.01 132.00)What #289E00 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 #289E00, 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.
#289E00 Channel Values
How #289E00 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 158 · B 0 | 8-bit channels as sent to the display |
| HSL | H 105° · S 100% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 105° · S 100% · V 62% | Matches the picker in most design tools |
| CMYK | C 75% · M 0% · Y 100% · K 38% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.51:1 vs white · 5.98:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #289E00 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 #289E00 in the contrast checker.
Colors That Go With #289E00
Pairings derived from color-wheel relationships. The complementary color sits opposite #289E00; 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 #289E00
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 #289E00.
How #289E00 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.
#289E00#929205#769703#858518#6C9010#489595#3D9875#898989Using #289E00 in Code
Copy-ready declarations for the places this color usually ends up.
--color-289e00: #289E00;background-color: #289E00;colors: { 'color-289e00': '#289E00' }Color(red: 0.157, green: 0.620, blue: 0.000)<color name="color_289e00">#289E00</color>fill="#289E00"More Green Colors
#289E00 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#289E00 Frequently Asked Questions
What color is #289E00?
#289E00 is a dark green — rgb(40, 158, 0) in RGB and hsl(105, 100%, 31%) 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 7.4.
What is the RGB value of #289E00?
#289E00 is rgb(40, 158, 0) — red 40, green 158, and blue 0 on the 0-255 scale.
What is the CMYK value of #289E00?
#289E00 converts to approximately cmyk(75%, 0%, 100%, 38%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #289E00 be black or white?
Black text is the more readable choice. #289E00 scores 3.51:1 against white and 5.98:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #289E00 as a CSS color keyword?
No. #289E00 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 14.38, which is visibly different.
Open #289E00 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.