Palettes / Colors / #51EC71
#51EC71 — Vivid Green
#51EC71 is a green color we call Vivid Green, closest to the named color LightGreen (#90EE90). It belongs to the green family.
Color name
Closest CSS keyword: lightgreen (#90EE90) — not an exact match. CSS lightgreen gives you #90EE90, a different color; use #51EC71 when you need this exact shade.
Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.
#51EC71 is a warm-leaning green color associated with growth, calm and balance. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.
Its strongest partner is its complement #EC51CD; it also sits naturally between #7FEC51 and #51ECBD. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #51EC71 |
|---|---|
| RGB | 81, 236, 113 |
| HSL | 132°, 80%, 62% |
| HSV | 132°, 66%, 93% |
| CMYK | 66%, 0%, 52%, 7% |
| XYZ | 36.37, 62.93, 25.85 |
| Yxy | 62.93, 0.2906, 0.5028 |
| CIE-Lab | 83.41, -65.48, 47.55 |
| Hunter Lab | 79.33, -53.59, 33.12 |
RGB & CMYK percentages
Red 32% · Green 93% · Blue 44%
Cyan 66% · Magenta 0% · Yellow 52% · Key 7%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #51EC71
.text { color: #51EC71; }
.background { background-color: #51EC71; }
.border { border: 3px solid #51EC71; }
.text-rgb { color: rgb(81, 236, 113); }
.text-hsl { color: hsl(132, 80%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #51EC71; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(81, 236, 113, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #51EC71; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(81, 236, 113, 0.8); }
HTML: <p style="color:#51EC71">Text here</p> · <div style="background-color:#51EC71">Div content here</div>
Shades of #51EC71
Tints of #51EC71
Tones of #51EC71
Color harmonies
Complementary — #EC51CD:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.55:1 Fails |
|---|---|
| Against black text | 13.59:1 AAA |
Best text color on #51EC71: #000000.
Semi-transparent (opacity) text on #51EC71
Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:
Smaller body text shows the effect best.
Blended color: · Contrast against #51EC71: ·
How #51EC71 looks with color blindness
Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:
Closest design-system colors
The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:
Palettes with a similar color
These palettes use a close neighbour of #51EC71 rather than the exact color:
Similar colors
The closest colors that actually appear in our palette collection — click any to open its page:
Browse neighbouring colors
Frequently asked questions
What color is #51EC71?
#51EC71 is Vivid Green, a green color (RGB 81, 236, 113). Its closest standard named color is LightGreen.
What is the RGB and HSL of #51EC71?
#51EC71 is RGB 81, 236, 113 — HSL 132°, 80%, 62% — CMYK 66%, 0%, 52%, 7%.
What colors go with #51EC71?
Its complement is #EC51CD; analogous partners are #7FEC51 and #51ECBD. It also appears in 6+ palettes in our collection.
Can I use #51EC71 for text?
Black text on #51EC71 has a contrast ratio of 13.59:1 (passes WCAG AA); white text gives 1.55:1.