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#51D6BE Color

#51D6BE is rgb(81, 214, 190) in RGB, hsl(169, 62%, 58%) in HSL, and about cmyk(62%, 0%, 11%, 16%) in CMYK. It has no registered color name of its own — the closest is Turquoise (#40E0D0), clearly related but distinguishable side by side at ΔE 6.71. Black text is the more readable choice on this background.

#51D6BE
HEX#51D6BE
RGBrgb(81, 214, 190)
HSLhsl(169, 62%, 58%)
HSVhsv(169, 62%, 84%)
CMYKcmyk(62%, 0%, 11%, 16%)
OKLCHoklch(79.7% 0.121 178.9)
LABlab(77.97% -42.18 0.55)
LCHlch(77.97% 42.19 179.25)

What #51D6BE 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 #51D6BE, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Turquoise#40E0D0ΔE 6.71Medium Aquamarine#66CDAAΔE 8.86Medium Turquoise#48D1CCΔE 10.18Eucalyptus#44D7A8ΔE 12.75Bright Turquoise#08E8DEΔE 12.91Pearl Aqua#88D8C0ΔE 13.16

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

#51D6BE Channel Values

How #51D6BE 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 1908-bit channels as sent to the display
HSLH 169° · S 62% · L 58%Easiest model for building lighter and darker variants
HSVH 169° · S 62% · V 84%Matches the picker in most design tools
CMYKC 62% · M 0% · Y 11% · K 16%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.79:1 vs white · 11.71:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #51D6BE 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 text1.79:1AA normal AA large AAA normal
TextBlack text11.71:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #51D6BE in the contrast checker.

Colors That Go With #51D6BE

Pairings derived from color-wheel relationships. The complementary color sits opposite #51D6BE; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#51D6BE
Complementary
#D6516A
Analogous
#51D67C
Analogous
#51ACD6
Triadic
#BE51D6
Triadic
#D6BE51
Split comp.
#D651AC
Split comp.
#D67C51

Tints & Shades of #51D6BE

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

#6ADCC7
#7FE1CF
#98E7D8
#B1EDE2
#C9F2EB
#DEF7F3

Shades

#30CFB2
#2AB299
#22917C
#1A7060
#124E43
#0C322B

Want a full 50-950 ramp with semantic roles? Generate design tokens from #51D6BE.

How #51D6BE 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#51D6BE
Protanopia#C7C7BE
Protanomaly#A5CDBE
Deuteranopia#B8B8C1
Deuteranomaly#99C5C0
Tritanopia#5AD3D3
Tritanomaly#57D4CB
Achromatopsia#C1C1C1

Test a full palette in the color blindness simulator.

Using #51D6BE in Code

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

CSS custom property--color-51d6be: #51D6BE;
CSS backgroundbackground-color: #51D6BE;
Tailwind configcolors: { 'color-51d6be': '#51D6BE' }
SwiftUIColor(red: 0.318, green: 0.839, blue: 0.745)
Android XML<color name="color_51d6be">#51D6BE</color>
SVG fillfill="#51D6BE"

More Green Colors

#51D6BE sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#51D6BE Frequently Asked Questions

What color is #51D6BE?

#51D6BE is a mid-tone green — rgb(81, 214, 190) in RGB and hsl(169, 62%, 58%) in HSL. It carries no registered color name of its own; the closest named color is Turquoise (#40E0D0), which is clearly related but distinguishable side by side at a CIE76 distance of 6.71.

What is the RGB value of #51D6BE?

#51D6BE is rgb(81, 214, 190) — red 81, green 214, and blue 190 on the 0-255 scale.

What is the CMYK value of #51D6BE?

#51D6BE converts to approximately cmyk(62%, 0%, 11%, 16%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #51D6BE be black or white?

Black text is the more readable choice. #51D6BE scores 1.79:1 against white and 11.71:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #51D6BE as a CSS color keyword?

No. #51D6BE 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 turquoise (#40E0D0) at a CIE76 distance of 6.71, which is clearly related but distinguishable side by side.

Open #51D6BE 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.