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#51CE27 Color

#51CE27 is rgb(81, 206, 39) in RGB, hsl(105, 68%, 48%) in HSL, and about cmyk(61%, 0%, 81%, 19%) in CMYK. It has no registered color name of its own — the closest is SGBUS Green (#55DD33), clearly related but distinguishable side by side at ΔE 5.95. Black text is the more readable choice on this background.

#51CE27
HEX#51CE27
RGBrgb(81, 206, 39)
HSLhsl(105, 68%, 48%)
HSVhsv(105, 81%, 81%)
CMYKcmyk(61%, 0%, 81%, 19%)
OKLCHoklch(75.2% 0.225 139.6)
LABlab(73.68% -56.82 64.47)
LCHlch(73.68% 85.93 131.39)

What #51CE27 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 #51CE27, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

SGBUS Green#55DD33ΔE 5.95Lime Green#32CD32ΔE 6.77Kelly Green#4CBB17ΔE 7.79Vivid Malachite#00CC33ΔE 10.51Dark Pastel Green#03C03CΔE 14.68Malachite#0BDA51ΔE 15.79

Browse the full index of named colors A-Z or every green in the library.

#51CE27 Channel Values

How #51CE27 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 81 · G 206 · B 398-bit channels as sent to the display
HSLH 105° · S 68% · L 48%Easiest model for building lighter and darker variants
HSVH 105° · S 81% · V 81%Matches the picker in most design tools
CMYKC 61% · M 0% · Y 81% · K 19%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.06:1 vs white · 10.21:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #51CE27 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.

Fails AAWhite text2.06:1AA normal AA large AAA normal
TextBlack text10.21:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #51CE27 in the contrast checker.

Colors That Go With #51CE27

Pairings derived from color-wheel relationships. The complementary color sits opposite #51CE27; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#51CE27
Complementary
#A427CE
Analogous
#A4CE27
Analogous
#27CE51
Triadic
#2751CE
Triadic
#CE2751
Split comp.
#5127CE
Split comp.
#CE27A4

Tints & Shades of #51CE27

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.

Tints

#65DA3E
#7DE05C
#95E67A
#B0EC9C
#C8F2BA
#E0F8D8

Shades

#47B422
#3B961D
#317C18
#276313
#1D490E
#112B08

Want a full 50-950 ramp with semantic roles? Generate design tokens from #51CE27.

How #51CE27 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.

Typical#51CE27
Protanopia#C0C02A
Protanomaly#9FC629
Deuteranopia#B1B135
Deuteranomaly#94BD30
Tritanopia#6FC2C2
Tritanomaly#64C79C
Achromatopsia#B5B5B5

Test a full palette in the color blindness simulator.

Using #51CE27 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-51ce27: #51CE27;
CSS backgroundbackground-color: #51CE27;
Tailwind configcolors: { 'color-51ce27': '#51CE27' }
SwiftUIColor(red: 0.318, green: 0.808, blue: 0.153)
Android XML<color name="color_51ce27">#51CE27</color>
SVG fillfill="#51CE27"

More Green Colors

#51CE27 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#51CE27 Frequently Asked Questions

What color is #51CE27?

#51CE27 is a mid-tone green — rgb(81, 206, 39) in RGB and hsl(105, 68%, 48%) in HSL. It carries no registered color name of its own; the closest named color is SGBUS Green (#55DD33), which is clearly related but distinguishable side by side at a CIE76 distance of 5.95.

What is the RGB value of #51CE27?

#51CE27 is rgb(81, 206, 39) — red 81, green 206, and blue 39 on the 0-255 scale.

What is the CMYK value of #51CE27?

#51CE27 converts to approximately cmyk(61%, 0%, 81%, 19%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #51CE27 be black or white?

Black text is the more readable choice. #51CE27 scores 2.06:1 against white and 10.21:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #51CE27 as a CSS color keyword?

No. #51CE27 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 6.77, which is clearly related but distinguishable side by side.

Open #51CE27 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.