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#51ECA3 Color

#51ECA3 is rgb(81, 236, 163) in RGB, hsl(152, 80%, 62%) in HSL, and about cmyk(66%, 0%, 31%, 7%) in CMYK. It has no registered color name of its own — the closest is Spearmint (#4FE7B0), clearly related but distinguishable side by side at ΔE 9.26. Black text is the more readable choice on this background.

#51ECA3
HEX#51ECA3
RGBrgb(81, 236, 163)
HSLhsl(152, 80%, 62%)
HSVhsv(152, 66%, 93%)
CMYKcmyk(66%, 0%, 31%, 7%)
OKLCHoklch(84.4% 0.167 158.8)
LABlab(84.06% -54.91 23.09)
LCHlch(84.06% 59.57 157.19)

What #51ECA3 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 #51ECA3, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Spearmint#4FE7B0ΔE 9.26Android Green#3DDC84ΔE 10.06Technobotanica#00FFBFΔE 12.29Very Light Malachite Green#64E986ΔE 13.61Eucalyptus#44D7A8ΔE 14.69Emerald#50C878ΔE 14.81

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

#51ECA3 Channel Values

How #51ECA3 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 236 · B 1638-bit channels as sent to the display
HSLH 152° · S 80% · L 62%Easiest model for building lighter and darker variants
HSVH 152° · S 66% · V 93%Matches the picker in most design tools
CMYKC 66% · M 0% · Y 31% · K 7%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.51:1 vs white · 13.88:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #51ECA3 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 text1.51:1AA normal AA large AAA normal
TextBlack text13.88:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #51ECA3 in the contrast checker.

Colors That Go With #51ECA3

Pairings derived from color-wheel relationships. The complementary color sits opposite #51ECA3; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#51ECA3
Complementary
#EC5199
Analogous
#51EC56
Analogous
#51E6EC
Triadic
#A351EC
Triadic
#ECA351
Split comp.
#EC51E6
Split comp.
#EC5651

Tints & Shades of #51ECA3

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

#68EEAF
#7EF1BB
#95F3C7
#B1F6D6
#C8F9E2
#DFFBEE

Shades

#2CE890
#17CF79
#13AA63
#0F854E
#0B6038
#063720

Want a full 50-950 ramp with semantic roles? Generate design tokens from #51ECA3.

How #51ECA3 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#51ECA3
Protanopia#DBDBA4
Protanomaly#B4E2A3
Deuteranopia#CACAA7
Deuteranomaly#A7D8A6
Tritanopia#69E4E4
Tritanomaly#61E8CE
Achromatopsia#D2D2D2

Test a full palette in the color blindness simulator.

Using #51ECA3 in Code

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

CSS custom property--color-51eca3: #51ECA3;
CSS backgroundbackground-color: #51ECA3;
Tailwind configcolors: { 'color-51eca3': '#51ECA3' }
SwiftUIColor(red: 0.318, green: 0.925, blue: 0.639)
Android XML<color name="color_51eca3">#51ECA3</color>
SVG fillfill="#51ECA3"

More Green Colors

#51ECA3 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#51ECA3 Frequently Asked Questions

What color is #51ECA3?

#51ECA3 is a light green — rgb(81, 236, 163) in RGB and hsl(152, 80%, 62%) in HSL. It carries no registered color name of its own; the closest named color is Spearmint (#4FE7B0), which is clearly related but distinguishable side by side at a CIE76 distance of 9.26.

What is the RGB value of #51ECA3?

#51ECA3 is rgb(81, 236, 163) — red 81, green 236, and blue 163 on the 0-255 scale.

What is the CMYK value of #51ECA3?

#51ECA3 converts to approximately cmyk(66%, 0%, 31%, 7%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #51ECA3 be black or white?

Black text is the more readable choice. #51ECA3 scores 1.51:1 against white and 13.88:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #51ECA3 as a CSS color keyword?

No. #51ECA3 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 mediumspringgreen (#00FA9A) at a CIE76 distance of 15.66, which is visibly different.

Open #51ECA3 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.