#40AE09 Color
#40AE09 is rgb(64, 174, 9) in RGB, hsl(100, 90%, 36%) in HSL, and about cmyk(63%, 0%, 95%, 32%) in CMYK. It has no registered color name of its own — the closest is Kelly Green (#4CBB17), very hard to tell apart at ΔE 4.98. Black text is the more readable choice on this background.
#40AE09rgb(64, 174, 9)hsl(100, 90%, 36%)hsv(100, 95%, 68%)cmyk(63%, 0%, 95%, 32%)oklch(66.1% 0.206 139.1)lab(62.93% -51.43 60.94)lch(62.93% 79.75 130.16)What #40AE09 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 #40AE09, 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.
#40AE09 Channel Values
How #40AE09 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 64 · G 174 · B 9 | 8-bit channels as sent to the display |
| HSL | H 100° · S 90% · L 36% | Easiest model for building lighter and darker variants |
| HSV | H 100° · S 95% · V 68% | Matches the picker in most design tools |
| CMYK | C 63% · M 0% · Y 95% · K 32% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.89:1 vs white · 7.28:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #40AE09 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 #40AE09 in the contrast checker.
Colors That Go With #40AE09
Pairings derived from color-wheel relationships. The complementary color sits opposite #40AE09; 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 #40AE09
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 #40AE09.
How #40AE09 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.
#40AE09#A2A20E#85A70C#95951E#7CA018#5BA4A4#52A882#989898Using #40AE09 in Code
Copy-ready declarations for the places this color usually ends up.
--color-40ae09: #40AE09;background-color: #40AE09;colors: { 'color-40ae09': '#40AE09' }Color(red: 0.251, green: 0.682, blue: 0.035)<color name="color_40ae09">#40AE09</color>fill="#40AE09"More Green Colors
#40AE09 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#40AE09 Frequently Asked Questions
What color is #40AE09?
#40AE09 is a dark green — rgb(64, 174, 9) in RGB and hsl(100, 90%, 36%) in HSL. It carries no registered color name of its own; the closest named color is Kelly Green (#4CBB17), which is very hard to tell apart at a CIE76 distance of 4.98.
What is the RGB value of #40AE09?
#40AE09 is rgb(64, 174, 9) — red 64, green 174, and blue 9 on the 0-255 scale.
What is the CMYK value of #40AE09?
#40AE09 converts to approximately cmyk(63%, 0%, 95%, 32%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #40AE09 be black or white?
Black text is the more readable choice. #40AE09 scores 2.89:1 against white and 7.28:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #40AE09 as a CSS color keyword?
No. #40AE09 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 limegreen (#32CD32) at a CIE76 distance of 14.3, which is visibly different.
Open #40AE09 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.