Palettes / Colors / #CEFF2B

#CEFF2B — Vivid Green

#CEFF2B is a green color we call 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 #CEFF2B 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.

#CEFF2B 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 #5B29FF; it also sits naturally between #FFC629 and #62FF29. 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 81% · Green 100% · Blue 17%

Cyan 19% · Magenta 0% · Yellow 83% · Key 0%

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

Previews

CSS code for #CEFF2B

.text { color: #CEFF2B; }
.background { background-color: #CEFF2B; }
.border { border: 3px solid #CEFF2B; }
.text-rgb { color: rgb(206, 255, 43); }
.text-hsl { color: hsl(74, 100%, 58%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CEFF2B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(206, 255, 43, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CEFF2B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(206, 255, 43, 0.8); }

HTML: <p style="color:#CEFF2B">Text here</p> · <div style="background-color:#CEFF2B">Div content here</div>

Shades of #CEFF2B

Tints of #CEFF2B

Tones of #CEFF2B

Color harmonies

Complementary — #5B29FF:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #CEFF2B: #000000.

Semi-transparent (opacity) text on #CEFF2B

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 #CEFF2B 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 #CEFF2B 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

← #CEFF2A  ·  #CEFF2C →

Frequently asked questions

What color is #CEFF2B?

#CEFF2B is Vivid Green, a green color (RGB 206, 255, 43). Its closest standard named color is GreenYellow.

What is the RGB and HSL of #CEFF2B?

#CEFF2B is RGB 206, 255, 43 — HSL 74°, 100%, 58% — CMYK 19%, 0%, 83%, 0%.

What colors go with #CEFF2B?

Its complement is #5B29FF; analogous partners are #FFC629 and #62FF29. It also appears in 6+ palettes in our collection.

Can I use #CEFF2B for text?

Black text on #CEFF2B has a contrast ratio of 17.96:1 (passes WCAG AA); white text gives 1.17:1.