#51856B Color
#51856B is rgb(81, 133, 107) in RGB, hsl(150, 24%, 42%) in HSL, and about cmyk(39%, 0%, 20%, 48%) in CMYK. It has no registered color name of its own — the closest is Viridian (#40826D), clearly related but distinguishable side by side at ΔE 5.26. Black text is the more readable choice on this background.
#51856Brgb(81, 133, 107)hsl(150, 24%, 42%)hsv(150, 39%, 52%)cmyk(39%, 0%, 20%, 48%)oklch(57.2% 0.069 161.4)lab(51.31% -22.87 8.33)lch(51.31% 24.34 159.98)What #51856B 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 #51856B, 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.
#51856B Channel Values
How #51856B 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 81 · G 133 · B 107 | 8-bit channels as sent to the display |
| HSL | H 150° · S 24% · L 42% | Easiest model for building lighter and darker variants |
| HSV | H 150° · S 39% · V 52% | Matches the picker in most design tools |
| CMYK | C 39% · M 0% · Y 20% · K 48% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.27:1 vs white · 4.92:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #51856B 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 #51856B in the contrast checker.
Colors That Go With #51856B
Pairings derived from color-wheel relationships. The complementary color sits opposite #51856B; 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 #51856B
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 #51856B.
How #51856B 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.
#51856B#7E7E6B#6F816B#77776C#6A7D6C#568282#54837A#7A7A7AUsing #51856B in Code
Copy-ready declarations for the places this color usually ends up.
--color-51856b: #51856B;background-color: #51856B;colors: { 'color-51856b': '#51856B' }Color(red: 0.318, green: 0.522, blue: 0.420)<color name="color_51856b">#51856B</color>fill="#51856B"More Green Colors
#51856B sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#51856B Frequently Asked Questions
What color is #51856B?
#51856B is a mid-tone green — rgb(81, 133, 107) in RGB and hsl(150, 24%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Viridian (#40826D), which is clearly related but distinguishable side by side at a CIE76 distance of 5.26.
What is the RGB value of #51856B?
#51856B is rgb(81, 133, 107) — red 81, green 133, and blue 107 on the 0-255 scale.
What is the CMYK value of #51856B?
#51856B converts to approximately cmyk(39%, 0%, 20%, 48%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #51856B be black or white?
Black text is the more readable choice. #51856B scores 4.27:1 against white and 4.92:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #51856B as a CSS color keyword?
No. #51856B 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 seagreen (#2E8B57) at a CIE76 distance of 18.74, which is visibly different.
Open #51856B in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.