Palettes / Colors / #CEFA04
#CEFA04 — Vivid Green
#CEFA04 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 #CEFA04 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.
#CEFA04 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 #3104FB; it also sits naturally between #FBAD04 and #52FB04. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #CEFA04 |
|---|---|
| RGB | 206, 250, 4 |
| HSL | 71°, 97%, 50% |
| HSV | 71°, 98%, 98% |
| CMYK | 18%, 0%, 98%, 2% |
| XYZ | 59.66, 81.50, 12.70 |
| Yxy | 81.50, 0.3878, 0.5297 |
| CIE-Lab | 92.35, -38.94, 89.09 |
| Hunter Lab | 90.28, -35.76, 51.86 |
RGB & CMYK percentages
Red 81% · Green 98% · Blue 2%
Cyan 18% · Magenta 0% · Yellow 98% · Key 2%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #CEFA04
.text { color: #CEFA04; }
.background { background-color: #CEFA04; }
.border { border: 3px solid #CEFA04; }
.text-rgb { color: rgb(206, 250, 4); }
.text-hsl { color: hsl(71, 97%, 50%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CEFA04; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(206, 250, 4, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CEFA04; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(206, 250, 4, 0.8); }
HTML: <p style="color:#CEFA04">Text here</p> · <div style="background-color:#CEFA04">Div content here</div>
Shades of #CEFA04
Tints of #CEFA04
Tones of #CEFA04
Color harmonies
Complementary — #3104FB:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.21:1 Fails |
|---|---|
| Against black text | 17.30:1 AAA |
Best text color on #CEFA04: #000000.
Semi-transparent (opacity) text on #CEFA04
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 #CEFA04: ·
How #CEFA04 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 #CEFA04 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 #CEFA04?
#CEFA04 is Vivid Green, a green color (RGB 206, 250, 4). Its closest standard named color is Yellow.
What is the RGB and HSL of #CEFA04?
#CEFA04 is RGB 206, 250, 4 — HSL 71°, 97%, 50% — CMYK 18%, 0%, 98%, 2%.
What colors go with #CEFA04?
Its complement is #3104FB; analogous partners are #FBAD04 and #52FB04. It also appears in 6+ palettes in our collection.
Can I use #CEFA04 for text?
Black text on #CEFA04 has a contrast ratio of 17.30:1 (passes WCAG AA); white text gives 1.21:1.