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#51D673 Color

#51D673 is rgb(81, 214, 115) in RGB, hsl(135, 62%, 58%) in HSL, and about cmyk(62%, 0%, 46%, 16%) in CMYK. It has no registered color name of its own — the closest is Very Light Malachite Green (#64E986), clearly related but distinguishable side by side at ΔE 6.62. Black text is the more readable choice on this background.

#51D673
HEX#51D673
RGBrgb(81, 214, 115)
HSLhsl(135, 62%, 58%)
HSVhsv(135, 62%, 84%)
CMYKcmyk(62%, 0%, 46%, 16%)
OKLCHoklch(78% 0.181 148.8)
LABlab(76.73% -53.73 37.53)
LCHlch(76.73% 65.54 145.06)

What #51D673 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 #51D673, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Very Light Malachite Green#64E986ΔE 6.62Android Green#3DDC84ΔE 7.5Pastel Green#77DD77ΔE 8.54Emerald#50C878ΔE 10.42Light Green#90EE90ΔE 14.61Mantis#74C365ΔE 15.46

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

#51D673 Channel Values

How #51D673 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 214 · B 1158-bit channels as sent to the display
HSLH 135° · S 62% · L 58%Easiest model for building lighter and darker variants
HSVH 135° · S 62% · V 84%Matches the picker in most design tools
CMYKC 62% · M 0% · Y 46% · K 16%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.87:1 vs white · 11.22:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #51D673 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 text1.87:1AA normal AA large AAA normal
TextBlack text11.22:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #51D673 in the contrast checker.

Colors That Go With #51D673

Pairings derived from color-wheel relationships. The complementary color sits opposite #51D673; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#51D673
Complementary
#D651B5
Analogous
#73D651
Analogous
#51D6B5
Triadic
#7351D6
Triadic
#D67351
Split comp.
#B551D6
Split comp.
#D65173

Tints & Shades of #51D673

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

#6ADC87
#7FE197
#98E7AB
#B1EDC0
#C9F2D4
#DEF7E4

Shades

#30CF58
#2AB24C
#22913E
#1A7030
#124E21
#0C3215

Want a full 50-950 ramp with semantic roles? Generate design tokens from #51D673.

How #51D673 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#51D673
Protanopia#C7C774
Protanomaly#A5CD74
Deuteranopia#B8B878
Deuteranomaly#99C576
Tritanopia#6BCDCD
Tritanomaly#61D1B0
Achromatopsia#BDBDBD

Test a full palette in the color blindness simulator.

Using #51D673 in Code

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

CSS custom property--color-51d673: #51D673;
CSS backgroundbackground-color: #51D673;
Tailwind configcolors: { 'color-51d673': '#51D673' }
SwiftUIColor(red: 0.318, green: 0.839, blue: 0.451)
Android XML<color name="color_51d673">#51D673</color>
SVG fillfill="#51D673"

More Green Colors

#51D673 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#51D673 Frequently Asked Questions

What color is #51D673?

#51D673 is a mid-tone green — rgb(81, 214, 115) in RGB and hsl(135, 62%, 58%) in HSL. It carries no registered color name of its own; the closest named color is Very Light Malachite Green (#64E986), which is clearly related but distinguishable side by side at a CIE76 distance of 6.62.

What is the RGB value of #51D673?

#51D673 is rgb(81, 214, 115) — red 81, green 214, and blue 115 on the 0-255 scale.

What is the CMYK value of #51D673?

#51D673 converts to approximately cmyk(62%, 0%, 46%, 16%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #51D673 be black or white?

Black text is the more readable choice. #51D673 scores 1.87:1 against white and 11.22:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #51D673 as a CSS color keyword?

No. #51D673 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 lightgreen (#90EE90) at a CIE76 distance of 14.61, which is visibly different.

Open #51D673 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.