Palettes / Colors / #CFEF34
#CFEF34 — Vivid Green
#CFEF34 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 #CFEF34 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.
#CFEF34 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 #5334EF; it also sits naturally between #EFB034 and #72EF34. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #CFEF34 |
|---|---|
| RGB | 207, 239, 52 |
| HSL | 70°, 85%, 57% |
| HSV | 70°, 78%, 94% |
| CMYK | 13%, 0%, 78%, 6% |
| XYZ | 57.22, 75.25, 14.76 |
| Yxy | 75.25, 0.3887, 0.5111 |
| CIE-Lab | 89.51, -32.59, 79.18 |
| Hunter Lab | 86.74, -29.90, 47.68 |
RGB & CMYK percentages
Red 81% · Green 94% · Blue 20%
Cyan 13% · Magenta 0% · Yellow 78% · Key 6%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #CFEF34
.text { color: #CFEF34; }
.background { background-color: #CFEF34; }
.border { border: 3px solid #CFEF34; }
.text-rgb { color: rgb(207, 239, 52); }
.text-hsl { color: hsl(70, 85%, 57%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CFEF34; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(207, 239, 52, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CFEF34; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(207, 239, 52, 0.8); }
HTML: <p style="color:#CFEF34">Text here</p> · <div style="background-color:#CFEF34">Div content here</div>
Shades of #CFEF34
Tints of #CFEF34
Tones of #CFEF34
Color harmonies
Complementary — #5334EF:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.31:1 Fails |
|---|---|
| Against black text | 16.05:1 AAA |
Best text color on #CFEF34: #000000.
Semi-transparent (opacity) text on #CFEF34
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 #CFEF34: ·
How #CFEF34 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 #CFEF34 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 #CFEF34?
#CFEF34 is Vivid Green, a green color (RGB 207, 239, 52). Its closest standard named color is GreenYellow.
What is the RGB and HSL of #CFEF34?
#CFEF34 is RGB 207, 239, 52 — HSL 70°, 85%, 57% — CMYK 13%, 0%, 78%, 6%.
What colors go with #CFEF34?
Its complement is #5334EF; analogous partners are #EFB034 and #72EF34. It also appears in 6+ palettes in our collection.
Can I use #CFEF34 for text?
Black text on #CFEF34 has a contrast ratio of 16.05:1 (passes WCAG AA); white text gives 1.31:1.