Palettes / Colors / #E4EF4E
#E4EF4E — Vivid Yellow
#E4EF4E 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 #E4EF4E 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.
#E4EF4E 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 #584EEF; it also sits naturally between #EFA94E and #93EF4E. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #E4EF4E |
|---|---|
| RGB | 228, 239, 78 |
| HSL | 64°, 83%, 62% |
| HSV | 64°, 67%, 94% |
| CMYK | 5%, 0%, 67%, 6% |
| XYZ | 64.24, 78.78, 19.03 |
| Yxy | 78.78, 0.3964, 0.4862 |
| CIE-Lab | 91.13, -23.00, 72.90 |
| Hunter Lab | 88.76, -21.74, 46.30 |
RGB & CMYK percentages
Red 89% · Green 94% · Blue 31%
Cyan 5% · Magenta 0% · 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 #E4EF4E
.text { color: #E4EF4E; }
.background { background-color: #E4EF4E; }
.border { border: 3px solid #E4EF4E; }
.text-rgb { color: rgb(228, 239, 78); }
.text-hsl { color: hsl(64, 83%, 62%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #E4EF4E; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(228, 239, 78, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #E4EF4E; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(228, 239, 78, 0.8); }
HTML: <p style="color:#E4EF4E">Text here</p> · <div style="background-color:#E4EF4E">Div content here</div>
Shades of #E4EF4E
Tints of #E4EF4E
Tones of #E4EF4E
Color harmonies
Complementary — #584EEF:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.25:1 Fails |
|---|---|
| Against black text | 16.76:1 AAA |
Best text color on #E4EF4E: #000000.
Semi-transparent (opacity) text on #E4EF4E
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 #E4EF4E: ·
How #E4EF4E 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 #E4EF4E 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 #E4EF4E?
#E4EF4E is Vivid Yellow, a yellow color (RGB 228, 239, 78). Its closest standard named color is Khaki.
What is the RGB and HSL of #E4EF4E?
#E4EF4E is RGB 228, 239, 78 — HSL 64°, 83%, 62% — CMYK 5%, 0%, 67%, 6%.
What colors go with #E4EF4E?
Its complement is #584EEF; analogous partners are #EFA94E and #93EF4E. It also appears in 6+ palettes in our collection.
Can I use #E4EF4E for text?
Black text on #E4EF4E has a contrast ratio of 16.76:1 (passes WCAG AA); white text gives 1.25:1.