Palettes / Colors / #CEFA09

#CEFA09 — Vivid Green

#CEFA09 is a green color we call Vivid Green, closest to the named color Yellow (#FFFF00). It belongs to the green family.

Color name

Closest CSS keyword: yellow (#FFFF00) — not an exact match. CSS yellow gives you #FFFF00, a different color; use #CEFA09 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.

#CEFA09 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 #360AFA; it also sits naturally between #FAAE0A and #56FA0A. 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 98% · Blue 4%

Cyan 18% · Magenta 0% · Yellow 96% · Key 2%

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

Previews

CSS code for #CEFA09

.text { color: #CEFA09; }
.background { background-color: #CEFA09; }
.border { border: 3px solid #CEFA09; }
.text-rgb { color: rgb(206, 250, 9); }
.text-hsl { color: hsl(71, 96%, 51%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CEFA09; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(206, 250, 9, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CEFA09; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(206, 250, 9, 0.8); }

HTML: <p style="color:#CEFA09">Text here</p> · <div style="background-color:#CEFA09">Div content here</div>

Shades of #CEFA09

Tints of #CEFA09

Tones of #CEFA09

Color harmonies

Complementary — #360AFA:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #CEFA09: #000000.

Semi-transparent (opacity) text on #CEFA09

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 #CEFA09 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 #CEFA09 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

← #CEFA08  ·  #CEFA0A →

Frequently asked questions

What color is #CEFA09?

#CEFA09 is Vivid Green, a green color (RGB 206, 250, 9). Its closest standard named color is Yellow.

What is the RGB and HSL of #CEFA09?

#CEFA09 is RGB 206, 250, 9 — HSL 71°, 96%, 51% — CMYK 18%, 0%, 96%, 2%.

What colors go with #CEFA09?

Its complement is #360AFA; analogous partners are #FAAE0A and #56FA0A. It also appears in 6+ palettes in our collection.

Can I use #CEFA09 for text?

Black text on #CEFA09 has a contrast ratio of 17.30:1 (passes WCAG AA); white text gives 1.21:1.