#11BB5B Color
#11BB5B is rgb(17, 187, 91) in RGB, hsl(146, 83%, 40%) in HSL, and about cmyk(91%, 0%, 51%, 27%) in CMYK. It has no registered color name of its own — the closest is Green (Pantone) (#00AD43), clearly related but distinguishable side by side at ΔE 7.38. Black text is the more readable choice on this background.
#11BB5Brgb(17, 187, 91)hsl(146, 83%, 40%)hsv(146, 91%, 73%)cmyk(91%, 0%, 51%, 27%)oklch(69.4% 0.185 150.6)lab(66.81% -56.70 36.72)lch(66.81% 67.55 147.07)What #11BB5B 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 #11BB5B, 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.
#11BB5B Channel Values
How #11BB5B 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 17 · G 187 · B 91 | 8-bit channels as sent to the display |
| HSL | H 146° · S 83% · L 40% | Easiest model for building lighter and darker variants |
| HSV | H 146° · S 91% · V 73% | Matches the picker in most design tools |
| CMYK | C 91% · M 0% · Y 51% · K 27% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.54:1 vs white · 8.28:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #11BB5B 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 #11BB5B in the contrast checker.
Colors That Go With #11BB5B
Pairings derived from color-wheel relationships. The complementary color sits opposite #11BB5B; 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 #11BB5B
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 #11BB5B.
How #11BB5B 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.
#11BB5B#ACAC5C#89B25C#9C9C61#7CAA5E#43B2B2#35B697#A3A3A3Using #11BB5B in Code
Copy-ready declarations for the places this color usually ends up.
--color-11bb5b: #11BB5B;background-color: #11BB5B;colors: { 'color-11bb5b': '#11BB5B' }Color(red: 0.067, green: 0.733, blue: 0.357)<color name="color_11bb5b">#11BB5B</color>fill="#11BB5B"More Green Colors
#11BB5B sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#11BB5B Frequently Asked Questions
What color is #11BB5B?
#11BB5B is a mid-tone green — rgb(17, 187, 91) in RGB and hsl(146, 83%, 40%) in HSL. It carries no registered color name of its own; the closest named color is Green (Pantone) (#00AD43), which is clearly related but distinguishable side by side at a CIE76 distance of 7.38.
What is the RGB value of #11BB5B?
#11BB5B is rgb(17, 187, 91) — red 17, green 187, and blue 91 on the 0-255 scale.
What is the CMYK value of #11BB5B?
#11BB5B converts to approximately cmyk(91%, 0%, 51%, 27%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #11BB5B be black or white?
Black text is the more readable choice. #11BB5B scores 2.54:1 against white and 8.28:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #11BB5B as a CSS color keyword?
No. #11BB5B 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 mediumseagreen (#3CB371) at a CIE76 distance of 16.94, which is visibly different.
Open #11BB5B in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.