#40D41C Color
#40D41C is rgb(64, 212, 28) in RGB, hsl(108, 77%, 47%) in HSL, and about cmyk(70%, 0%, 87%, 17%) in CMYK. It has no registered color name of its own — the closest is SGBUS Green (#55DD33), very hard to tell apart at ΔE 4.76. Black text is the more readable choice on this background.
#40D41Crgb(64, 212, 28)hsl(108, 77%, 47%)hsv(108, 87%, 83%)cmyk(70%, 0%, 87%, 17%)oklch(76.2% 0.241 140.8)lab(75.08% -62.45 67.95)lch(75.08% 92.29 132.59)What #40D41C 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 #40D41C, 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.
#40D41C Channel Values
How #40D41C 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 212 · B 28 | 8-bit channels as sent to the display |
| HSL | H 108° · S 77% · L 47% | Easiest model for building lighter and darker variants |
| HSV | H 108° · S 87% · V 83% | Matches the picker in most design tools |
| CMYK | C 70% · M 0% · Y 87% · K 17% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.97:1 vs white · 10.65:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #40D41C 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 #40D41C in the contrast checker.
Colors That Go With #40D41C
Pairings derived from color-wheel relationships. The complementary color sits opposite #40D41C; 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 #40D41C
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 #40D41C.
How #40D41C 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.
#40D41C#C4C420#A0CB1E#B4B42F#94C229#66C8C8#59CDA0#B9B9B9Using #40D41C in Code
Copy-ready declarations for the places this color usually ends up.
--color-40d41c: #40D41C;background-color: #40D41C;colors: { 'color-40d41c': '#40D41C' }Color(red: 0.251, green: 0.831, blue: 0.110)<color name="color_40d41c">#40D41C</color>fill="#40D41C"More Green Colors
#40D41C sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#40D41C Frequently Asked Questions
What color is #40D41C?
#40D41C is a mid-tone green — rgb(64, 212, 28) in RGB and hsl(108, 77%, 47%) in HSL. It carries no registered color name of its own; the closest named color is SGBUS Green (#55DD33), which is very hard to tell apart at a CIE76 distance of 4.76.
What is the RGB value of #40D41C?
#40D41C is rgb(64, 212, 28) — red 64, green 212, and blue 28 on the 0-255 scale.
What is the CMYK value of #40D41C?
#40D41C converts to approximately cmyk(70%, 0%, 87%, 17%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #40D41C be black or white?
Black text is the more readable choice. #40D41C scores 1.97:1 against white and 10.65:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #40D41C as a CSS color keyword?
No. #40D41C 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 8.27, which is clearly related but distinguishable side by side.
Open #40D41C in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.