Palettes / Colors / #EFE64E
#EFE64E — Vivid Yellow
#EFE64E is a yellow color we call Vivid Yellow, closest to the named color Khaki (#F0E68C). It belongs to the yellow family.
Color name
Closest CSS keyword: khaki (#F0E68C) — not an exact match. CSS khaki gives you #F0E68C, a different color; use #EFE64E 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.
#EFE64E is a warm yellow color associated with optimism, attention and cheer. 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 #4E56EF; it also sits naturally between #EF964E and #A6EF4E. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #EFE64E |
|---|---|
| RGB | 239, 230, 78 |
| HSL | 57°, 83%, 62% |
| HSV | 57°, 67%, 94% |
| CMYK | 0%, 4%, 67%, 6% |
| XYZ | 65.27, 75.49, 18.34 |
| Yxy | 75.49, 0.4102, 0.4745 |
| CIE-Lab | 89.62, -14.15, 71.66 |
| Hunter Lab | 86.89, -13.54, 45.25 |
RGB & CMYK percentages
Red 94% · Green 90% · Blue 31%
Cyan 0% · Magenta 4% · Yellow 67% · Key 6%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
CSS code for #EFE64E
.text { color: #EFE64E; }
.background { background-color: #EFE64E; }
.border { border: 3px solid #EFE64E; }
.text-rgb { color: rgb(239, 230, 78); }
.text-hsl { color: hsl(57, 83%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFE64E; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 230, 78, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFE64E; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 230, 78, 0.8); }
HTML: <p style="color:#EFE64E">Text here</p> · <div style="background-color:#EFE64E">Div content here</div>
Shades of #EFE64E
Tints of #EFE64E
Tones of #EFE64E
Color harmonies
Complementary — #4E56EF:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.30:1 Fails |
|---|---|
| Against black text | 16.10:1 AAA |
Best text color on #EFE64E: #000000.
Semi-transparent (opacity) text on #EFE64E
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 #EFE64E: ·
How #EFE64E 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 #EFE64E 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 #EFE64E?
#EFE64E is Vivid Yellow, a yellow color (RGB 239, 230, 78). Its closest standard named color is Khaki.
What is the RGB and HSL of #EFE64E?
#EFE64E is RGB 239, 230, 78 — HSL 57°, 83%, 62% — CMYK 0%, 4%, 67%, 6%.
What colors go with #EFE64E?
Its complement is #4E56EF; analogous partners are #EF964E and #A6EF4E. It also appears in 6+ palettes in our collection.
Can I use #EFE64E for text?
Black text on #EFE64E has a contrast ratio of 16.10:1 (passes WCAG AA); white text gives 1.30:1.