Palettes / Colors / #CDFE51

#CDFE51 — Light Vivid Green

#CDFE51 is a green color we call Light Vivid Green, closest to the named color GreenYellow (#ADFF2F). It belongs to the green family.

Color name

Closest CSS keyword: greenyellow (#ADFF2F) — not an exact match. CSS greenyellow gives you #ADFF2F, a different color; use #CDFE51 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.

#CDFE51 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 #8352FE; it also sits naturally between #FED952 and #78FE52. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 80% · Green 100% · Blue 32%

Cyan 19% · Magenta 0% · Yellow 68% · Key 0%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #CDFE51

.text { color: #CDFE51; }
.background { background-color: #CDFE51; }
.border { border: 3px solid #CDFE51; }
.text-rgb { color: rgb(205, 254, 81); }
.text-hsl { color: hsl(77, 99%, 66%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CDFE51; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(205, 254, 81, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CDFE51; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(205, 254, 81, 0.8); }

HTML: <p style="color:#CDFE51">Text here</p> · <div style="background-color:#CDFE51">Div content here</div>

Shades of #CDFE51

Tints of #CDFE51

Tones of #CDFE51

Color harmonies

Complementary — #8352FE:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #CDFE51: #000000.

Semi-transparent (opacity) text on #CDFE51

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:

How #CDFE51 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 #CDFE51 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

← #CDFE50  ·  #CDFE52 →

Frequently asked questions

What color is #CDFE51?

#CDFE51 is Light Vivid Green, a green color (RGB 205, 254, 81). Its closest standard named color is GreenYellow.

What is the RGB and HSL of #CDFE51?

#CDFE51 is RGB 205, 254, 81 — HSL 77°, 99%, 66% — CMYK 19%, 0%, 68%, 0%.

What colors go with #CDFE51?

Its complement is #8352FE; analogous partners are #FED952 and #78FE52. It also appears in 6+ palettes in our collection.

Can I use #CDFE51 for text?

Black text on #CDFE51 has a contrast ratio of 17.89:1 (passes WCAG AA); white text gives 1.17:1.