#63D73C Color
#63D73C is rgb(99, 215, 60) in RGB, hsl(105, 66%, 54%) in HSL, and about cmyk(54%, 0%, 72%, 16%) 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 7.12. Black text is the more readable choice on this background.
#63D73Crgb(99, 215, 60)hsl(105, 66%, 54%)hsv(105, 72%, 84%)cmyk(54%, 0%, 72%, 16%)oklch(78.2% 0.217 139.1)lab(77.14% -54.37 61.62)lch(77.14% 82.18 131.42)What #63D73C 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 #63D73C, 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.
#63D73C Channel Values
How #63D73C 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 99 · G 215 · B 60 | 8-bit channels as sent to the display |
| HSL | H 105° · S 66% · L 54% | Easiest model for building lighter and darker variants |
| HSV | H 105° · S 72% · V 84% | Matches the picker in most design tools |
| CMYK | C 54% · M 0% · Y 72% · K 16% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.86:1 vs white · 11.32:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #63D73C 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 #63D73C in the contrast checker.
Colors That Go With #63D73C
Pairings derived from color-wheel relationships. The complementary color sits opposite #63D73C; 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 #63D73C
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 #63D73C.
How #63D73C 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.
#63D73C#C9C93E#AACF3D#BBBB46#9FC742#7DCBCB#74D0A5#BEBEBEUsing #63D73C in Code
Copy-ready declarations for the places this color usually ends up.
--color-63d73c: #63D73C;background-color: #63D73C;colors: { 'color-63d73c': '#63D73C' }Color(red: 0.388, green: 0.843, blue: 0.235)<color name="color_63d73c">#63D73C</color>fill="#63D73C"More Green Colors
#63D73C sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#63D73C Frequently Asked Questions
What color is #63D73C?
#63D73C is a mid-tone green — rgb(99, 215, 60) in RGB and hsl(105, 66%, 54%) 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 7.12.
What is the RGB value of #63D73C?
#63D73C is rgb(99, 215, 60) — red 99, green 215, and blue 60 on the 0-255 scale.
What is the CMYK value of #63D73C?
#63D73C converts to approximately cmyk(54%, 0%, 72%, 16%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #63D73C be black or white?
Black text is the more readable choice. #63D73C scores 1.86:1 against white and 11.32:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #63D73C as a CSS color keyword?
No. #63D73C 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 8.87, which is clearly related but distinguishable side by side.
Open #63D73C in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.