#15CB3A Color
#15CB3A is rgb(21, 203, 58) in RGB, hsl(132, 81%, 44%) in HSL, and about cmyk(90%, 0%, 71%, 20%) in CMYK. It has no registered color name of its own — the closest is Vivid Malachite (#00CC33), very hard to tell apart at ΔE 2.99. Black text is the more readable choice on this background.
#15CB3Argb(21, 203, 58)hsl(132, 81%, 44%)hsv(132, 90%, 80%)cmyk(90%, 0%, 71%, 20%)oklch(73.3% 0.227 144.8)lab(71.71% -63.86 56.28)lch(71.71% 85.12 138.61)What #15CB3A 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 #15CB3A, 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.
#15CB3A Channel Values
How #15CB3A 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 203 · B 58 | 8-bit channels as sent to the display |
| HSL | H 132° · S 81% · L 44% | Easiest model for building lighter and darker variants |
| HSV | H 132° · S 90% · V 80% | Matches the picker in most design tools |
| CMYK | C 90% · M 0% · Y 71% · K 20% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.18:1 vs white · 9.64:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #15CB3A 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 #15CB3A in the contrast checker.
Colors That Go With #15CB3A
Pairings derived from color-wheel relationships. The complementary color sits opposite #15CB3A; 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 #15CB3A
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 #15CB3A.
How #15CB3A 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.
#15CB3A#BBBB3C#95C23B#AAAA45#88B841#4FC0C0#3FC59C#B0B0B0Using #15CB3A in Code
Copy-ready declarations for the places this color usually ends up.
--color-15cb3a: #15CB3A;background-color: #15CB3A;colors: { 'color-15cb3a': '#15CB3A' }Color(red: 0.082, green: 0.796, blue: 0.227)<color name="color_15cb3a">#15CB3A</color>fill="#15CB3A"More Green Colors
#15CB3A sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#15CB3A Frequently Asked Questions
What color is #15CB3A?
#15CB3A is a mid-tone green — rgb(21, 203, 58) in RGB and hsl(132, 81%, 44%) in HSL. It carries no registered color name of its own; the closest named color is Vivid Malachite (#00CC33), which is very hard to tell apart at a CIE76 distance of 2.99.
What is the RGB value of #15CB3A?
#15CB3A is rgb(21, 203, 58) — red 21, green 203, and blue 58 on the 0-255 scale.
What is the CMYK value of #15CB3A?
#15CB3A converts to approximately cmyk(90%, 0%, 71%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #15CB3A be black or white?
Black text is the more readable choice. #15CB3A scores 2.18:1 against white and 9.64:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #15CB3A as a CSS color keyword?
No. #15CB3A 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 4.38, which is very hard to tell apart.
Open #15CB3A in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.