#91B351 Color
#91B351 is rgb(145, 179, 81) in RGB, hsl(81, 39%, 51%) in HSL, and about cmyk(19%, 0%, 55%, 30%) in CMYK. It has no registered color name of its own — the closest is Middle Green Yellow (#ACBF60), clearly related but distinguishable side by side at ΔE 8.3. Black text is the more readable choice on this background.
#91B351rgb(145, 179, 81)hsl(81, 39%, 51%)hsv(81, 55%, 70%)cmyk(19%, 0%, 55%, 30%)oklch(72% 0.132 125.5)lab(68.83% -23.56 45.20)lch(68.83% 50.98 117.53)What #91B351 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 #91B351, 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.
#91B351 Channel Values
How #91B351 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 145 · G 179 · B 81 | 8-bit channels as sent to the display |
| HSL | H 81° · S 39% · L 51% | Easiest model for building lighter and darker variants |
| HSV | H 81° · S 55% · V 70% | Matches the picker in most design tools |
| CMYK | C 19% · M 0% · Y 55% · K 30% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.39:1 vs white · 8.77:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #91B351 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 #91B351 in the contrast checker.
Colors That Go With #91B351
Pairings derived from color-wheel relationships. The complementary color sits opposite #91B351; 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 #91B351
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 #91B351.
How #91B351 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.
#91B351#AEAE51#A3B051#A9A953#A0AD52#9BAAAA#97AE8F#A7A7A7Using #91B351 in Code
Copy-ready declarations for the places this color usually ends up.
--color-91b351: #91B351;background-color: #91B351;colors: { 'color-91b351': '#91B351' }Color(red: 0.569, green: 0.702, blue: 0.318)<color name="color_91b351">#91B351</color>fill="#91B351"More Green Colors
#91B351 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#91B351 Frequently Asked Questions
What color is #91B351?
#91B351 is a mid-tone green — rgb(145, 179, 81) in RGB and hsl(81, 39%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Middle Green Yellow (#ACBF60), which is clearly related but distinguishable side by side at a CIE76 distance of 8.3.
What is the RGB value of #91B351?
#91B351 is rgb(145, 179, 81) — red 145, green 179, and blue 81 on the 0-255 scale.
What is the CMYK value of #91B351?
#91B351 converts to approximately cmyk(19%, 0%, 55%, 30%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #91B351 be black or white?
Black text is the more readable choice. #91B351 scores 2.39:1 against white and 8.77:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #91B351 as a CSS color keyword?
No. #91B351 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 olivedrab (#6B8E23) at a CIE76 distance of 14.55, which is visibly different.
Open #91B351 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.