#55EF4D Color
#55EF4D is rgb(85, 239, 77) in RGB, hsl(117, 84%, 62%) in HSL, and about cmyk(64%, 0%, 68%, 6%) in CMYK. It has no registered color name of its own — the closest is Screamin' Green (#66FF66), clearly related but distinguishable side by side at ΔE 6.65. Black text is the more readable choice on this background.
#55EF4Drgb(85, 239, 77)hsl(117, 84%, 62%)hsv(117, 68%, 94%)cmyk(64%, 0%, 68%, 6%)oklch(84% 0.239 142.4)lab(84.15% -64.24 62.46)lch(84.15% 89.60 135.80)What #55EF4D 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 #55EF4D, 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.
#55EF4D Channel Values
How #55EF4D 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 85 · G 239 · B 77 | 8-bit channels as sent to the display |
| HSL | H 117° · S 84% · L 62% | Easiest model for building lighter and darker variants |
| HSV | H 117° · S 68% · V 94% | Matches the picker in most design tools |
| CMYK | C 64% · M 0% · Y 68% · K 6% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.52:1 vs white · 13.84:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #55EF4D 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 #55EF4D in the contrast checker.
Colors That Go With #55EF4D
Pairings derived from color-wheel relationships. The complementary color sits opposite #55EF4D; 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 #55EF4D
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 #55EF4D.
How #55EF4D 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.
#55EF4D#DEDE4F#B7E54E#CDCD57#AADB53#79E2E2#6CE8B9#D2D2D2Using #55EF4D in Code
Copy-ready declarations for the places this color usually ends up.
--color-55ef4d: #55EF4D;background-color: #55EF4D;colors: { 'color-55ef4d': '#55EF4D' }Color(red: 0.333, green: 0.937, blue: 0.302)<color name="color_55ef4d">#55EF4D</color>fill="#55EF4D"More Green Colors
#55EF4D sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#55EF4D Frequently Asked Questions
What color is #55EF4D?
#55EF4D is a light green — rgb(85, 239, 77) in RGB and hsl(117, 84%, 62%) in HSL. It carries no registered color name of its own; the closest named color is Screamin' Green (#66FF66), which is clearly related but distinguishable side by side at a CIE76 distance of 6.65.
What is the RGB value of #55EF4D?
#55EF4D is rgb(85, 239, 77) — red 85, green 239, and blue 77 on the 0-255 scale.
What is the CMYK value of #55EF4D?
#55EF4D converts to approximately cmyk(64%, 0%, 68%, 6%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #55EF4D be black or white?
Black text is the more readable choice. #55EF4D scores 1.52:1 against white and 13.84:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #55EF4D as a CSS color keyword?
No. #55EF4D 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 11.96, which is visibly different.
Open #55EF4D in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.