Palettes / Colors / #CFEF3F
#CFEF3F — Vivid Green
#CFEF3F 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 #CFEF3F 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.
#CFEF3F 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 #5E3EEF; it also sits naturally between #EFB73E and #76EF3E. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #CFEF3F |
|---|---|
| RGB | 207, 239, 63 |
| HSL | 71°, 85%, 59% |
| HSV | 71°, 74%, 94% |
| CMYK | 13%, 0%, 74%, 6% |
| XYZ | 57.50, 75.36, 16.22 |
| Yxy | 75.36, 0.3857, 0.5055 |
| CIE-Lab | 89.56, -32.13, 75.98 |
| Hunter Lab | 86.81, -29.51, 46.69 |
RGB & CMYK percentages
Red 81% · Green 94% · Blue 25%
Cyan 13% · Magenta 0% · Yellow 74% · Key 6%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
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CSS code for #CFEF3F
.text { color: #CFEF3F; }
.background { background-color: #CFEF3F; }
.border { border: 3px solid #CFEF3F; }
.text-rgb { color: rgb(207, 239, 63); }
.text-hsl { color: hsl(71, 85%, 59%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CFEF3F; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(207, 239, 63, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CFEF3F; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(207, 239, 63, 0.8); }
HTML: <p style="color:#CFEF3F">Text here</p> · <div style="background-color:#CFEF3F">Div content here</div>
Shades of #CFEF3F
Tints of #CFEF3F
Tones of #CFEF3F
Color harmonies
Complementary — #5E3EEF:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.31:1 Fails |
|---|---|
| Against black text | 16.07:1 AAA |
Best text color on #CFEF3F: #000000.
Semi-transparent (opacity) text on #CFEF3F
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 #CFEF3F: ·
How #CFEF3F 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 #CFEF3F 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 #CFEF3F?
#CFEF3F is Vivid Green, a green color (RGB 207, 239, 63). Its closest standard named color is GreenYellow.
What is the RGB and HSL of #CFEF3F?
#CFEF3F is RGB 207, 239, 63 — HSL 71°, 85%, 59% — CMYK 13%, 0%, 74%, 6%.
What colors go with #CFEF3F?
Its complement is #5E3EEF; analogous partners are #EFB73E and #76EF3E. It also appears in 6+ palettes in our collection.
Can I use #CFEF3F for text?
Black text on #CFEF3F has a contrast ratio of 16.07:1 (passes WCAG AA); white text gives 1.31:1.