#15C11B Color
#15C11B is rgb(21, 193, 27) in RGB, hsl(122, 80%, 42%) in HSL, and about cmyk(89%, 0%, 86%, 24%) in CMYK. It has no registered color name of its own — the closest is Lime Green (#32CD32), very hard to tell apart at ΔE 4.85. Black text is the more readable choice on this background.
#15C11Brgb(21, 193, 27)hsl(122, 80%, 42%)hsv(122, 89%, 76%)cmyk(89%, 0%, 86%, 24%)oklch(70.5% 0.232 142.8)lab(68.36% -62.69 62.11)lch(68.36% 88.25 135.27)What #15C11B 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 #15C11B, 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.
#15C11B Channel Values
How #15C11B 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 21 · G 193 · B 27 | 8-bit channels as sent to the display |
| HSL | H 122° · S 80% · L 42% | Easiest model for building lighter and darker variants |
| HSV | H 122° · S 89% · V 76% | Matches the picker in most design tools |
| CMYK | C 89% · M 0% · Y 86% · K 24% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.42:1 vs white · 8.68:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #15C11B 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 #15C11B in the contrast checker.
Colors That Go With #15C11B
Pairings derived from color-wheel relationships. The complementary color sits opposite #15C11B; 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 #15C11B
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 #15C11B.
How #15C11B 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.
#15C11B#B2B21E#8EB81D#A2A22C#81AF26#4DB6B6#3EBA91#A6A6A6Using #15C11B in Code
Copy-ready declarations for the places this color usually ends up.
--color-15c11b: #15C11B;background-color: #15C11B;colors: { 'color-15c11b': '#15C11B' }Color(red: 0.082, green: 0.757, blue: 0.106)<color name="color_15c11b">#15C11B</color>fill="#15C11B"More Green Colors
#15C11B sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#15C11B Frequently Asked Questions
What color is #15C11B?
#15C11B is a mid-tone green — rgb(21, 193, 27) in RGB and hsl(122, 80%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Lime Green (#32CD32), which is very hard to tell apart at a CIE76 distance of 4.85.
What is the RGB value of #15C11B?
#15C11B is rgb(21, 193, 27) — red 21, green 193, and blue 27 on the 0-255 scale.
What is the CMYK value of #15C11B?
#15C11B converts to approximately cmyk(89%, 0%, 86%, 24%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #15C11B be black or white?
Black text is the more readable choice. #15C11B scores 2.42:1 against white and 8.68:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #15C11B as a CSS color keyword?
No. #15C11B 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 4.85, which is very hard to tell apart.
Open #15C11B in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.