#37E63D Color
#37E63D is rgb(55, 230, 61) in RGB, hsl(122, 78%, 56%) in HSL, and about cmyk(76%, 0%, 73%, 10%) in CMYK. It has no registered color name of its own — the closest is SGBUS Green (#55DD33), clearly related but distinguishable side by side at ΔE 7.88. Black text is the more readable choice on this background.
#37E63Drgb(55, 230, 61)hsl(122, 78%, 56%)hsv(122, 76%, 90%)cmyk(76%, 0%, 73%, 10%)oklch(80.9% 0.248 143.2)lab(80.66% -67.58 64.28)lch(80.66% 93.27 136.43)What #37E63D 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 #37E63D, 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.
#37E63D Channel Values
How #37E63D 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 55 · G 230 · B 61 | 8-bit channels as sent to the display |
| HSL | H 122° · S 78% · L 56% | Easiest model for building lighter and darker variants |
| HSV | H 122° · S 76% · V 90% | Matches the picker in most design tools |
| CMYK | C 76% · M 0% · Y 73% · K 10% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.67:1 vs white · 12.55:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #37E63D 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 #37E63D in the contrast checker.
Colors That Go With #37E63D
Pairings derived from color-wheel relationships. The complementary color sits opposite #37E63D; 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 #37E63D
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 #37E63D.
How #37E63D 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.
#37E63D#D5D53F#ACDC3E#C2C24A#9ED245#66D9D9#57DFB1#C8C8C8Using #37E63D in Code
Copy-ready declarations for the places this color usually ends up.
--color-37e63d: #37E63D;background-color: #37E63D;colors: { 'color-37e63d': '#37E63D' }Color(red: 0.216, green: 0.902, blue: 0.239)<color name="color_37e63d">#37E63D</color>fill="#37E63D"More Green Colors
#37E63D sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#37E63D Frequently Asked Questions
What color is #37E63D?
#37E63D is a mid-tone green — rgb(55, 230, 61) in RGB and hsl(122, 78%, 56%) in HSL. It carries no registered color name of its own; the closest named color is SGBUS Green (#55DD33), which is clearly related but distinguishable side by side at a CIE76 distance of 7.88.
What is the RGB value of #37E63D?
#37E63D is rgb(55, 230, 61) — red 55, green 230, and blue 61 on the 0-255 scale.
What is the CMYK value of #37E63D?
#37E63D converts to approximately cmyk(76%, 0%, 73%, 10%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #37E63D be black or white?
Black text is the more readable choice. #37E63D scores 1.67:1 against white and 12.55:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #37E63D as a CSS color keyword?
No. #37E63D 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 10.69, which is visibly different.
Open #37E63D in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.