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#51CDA3 Color

#51CDA3 is rgb(81, 205, 163) in RGB, hsl(160, 55%, 56%) in HSL, and about cmyk(60%, 0%, 20%, 20%) in CMYK. It has no registered color name of its own — the closest is Eucalyptus (#44D7A8), clearly related but distinguishable side by side at ΔE 6.02. Black text is the more readable choice on this background.

#51CDA3
HEX#51CDA3
RGBrgb(81, 205, 163)
HSLhsl(160, 55%, 56%)
HSVhsv(160, 60%, 80%)
CMYKcmyk(60%, 0%, 20%, 20%)
OKLCHoklch(76.7% 0.127 167.4)
LABlab(74.71% -43.59 10.25)
LCHlch(74.71% 44.78 166.77)

What #51CDA3 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 #51CDA3, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Eucalyptus#44D7A8ΔE 6.02Medium Aquamarine#66CDAAΔE 6.38Mountain Meadow#30BA8FΔE 7.34Caribbean Green#00CC99ΔE 10.33Spearmint#4FE7B0ΔE 12.03Jungle Green#29AB87ΔE 12.29

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

#51CDA3 Channel Values

How #51CDA3 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 205 · B 1638-bit channels as sent to the display
HSLH 160° · S 55% · L 56%Easiest model for building lighter and darker variants
HSVH 160° · S 60% · V 80%Matches the picker in most design tools
CMYKC 60% · M 0% · Y 20% · K 20%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.98:1 vs white · 10.61:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #51CDA3 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 text1.98:1AA normal AA large AAA normal
TextBlack text10.61:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #51CDA3 in the contrast checker.

Colors That Go With #51CDA3

Pairings derived from color-wheel relationships. The complementary color sits opposite #51CDA3; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#51CDA3
Complementary
#CD517A
Analogous
#51CD66
Analogous
#51B8CD
Triadic
#A351CD
Triadic
#CDA351
Split comp.
#CD51B8
Split comp.
#CD6651

Tints & Shades of #51CDA3

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

#69D3B0
#81DABC
#98E1C9
#B0E8D5
#C8EFE2
#DFF6EE

Shades

#38C294
#2FA27C
#278667
#1E674E
#164B39
#0D2B21

Want a full 50-950 ramp with semantic roles? Generate design tokens from #51CDA3.

How #51CDA3 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#51CDA3
Protanopia#BFBFA3
Protanomaly#9FC5A3
Deuteranopia#B0B0A6
Deuteranomaly#94BCA5
Tritanopia#5FC8C8
Tritanomaly#59CABB
Achromatopsia#B8B8B8

Test a full palette in the color blindness simulator.

Using #51CDA3 in Code

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

CSS custom property--color-51cda3: #51CDA3;
CSS backgroundbackground-color: #51CDA3;
Tailwind configcolors: { 'color-51cda3': '#51CDA3' }
SwiftUIColor(red: 0.318, green: 0.804, blue: 0.639)
Android XML<color name="color_51cda3">#51CDA3</color>
SVG fillfill="#51CDA3"

More Green Colors

#51CDA3 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#51CDA3 Frequently Asked Questions

What color is #51CDA3?

#51CDA3 is a mid-tone green — rgb(81, 205, 163) in RGB and hsl(160, 55%, 56%) in HSL. It carries no registered color name of its own; the closest named color is Eucalyptus (#44D7A8), which is clearly related but distinguishable side by side at a CIE76 distance of 6.02.

What is the RGB value of #51CDA3?

#51CDA3 is rgb(81, 205, 163) — red 81, green 205, and blue 163 on the 0-255 scale.

What is the CMYK value of #51CDA3?

#51CDA3 converts to approximately cmyk(60%, 0%, 20%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #51CDA3 be black or white?

Black text is the more readable choice. #51CDA3 scores 1.98:1 against white and 10.61:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #51CDA3 as a CSS color keyword?

No. #51CDA3 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 mediumaquamarine (#66CDAA) at a CIE76 distance of 6.38, which is clearly related but distinguishable side by side.

Open #51CDA3 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.