Palettes / Colors / #EFF153
#EFF153 — Vivid Yellow
#EFF153 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 #EFF153 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.
#EFF153 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 #5855F1; it also sits naturally between #F1A655 and #A1F155. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #EFF153 |
|---|---|
| RGB | 239, 241, 83 |
| HSL | 61°, 85%, 64% |
| HSV | 61°, 66%, 95% |
| CMYK | 1%, 0%, 66%, 5% |
| XYZ | 68.61, 81.89, 20.37 |
| Yxy | 81.89, 0.4015, 0.4792 |
| CIE-Lab | 92.52, -19.25, 72.72 |
| Hunter Lab | 90.49, -18.47, 46.80 |
RGB & CMYK percentages
Red 94% · Green 95% · Blue 33%
Cyan 1% · Magenta 0% · Yellow 66% · Key 5%
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 #EFF153
.text { color: #EFF153; }
.background { background-color: #EFF153; }
.border { border: 3px solid #EFF153; }
.text-rgb { color: rgb(239, 241, 83); }
.text-hsl { color: hsl(61, 85%, 64%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFF153; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 241, 83, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFF153; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 241, 83, 0.8); }
HTML: <p style="color:#EFF153">Text here</p> · <div style="background-color:#EFF153">Div content here</div>
Shades of #EFF153
Tints of #EFF153
Tones of #EFF153
Color harmonies
Complementary — #5855F1:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.21:1 Fails |
|---|---|
| Against black text | 17.38:1 AAA |
Best text color on #EFF153: #000000.
Semi-transparent (opacity) text on #EFF153
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 #EFF153: ·
How #EFF153 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 #EFF153 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 #EFF153?
#EFF153 is Vivid Yellow, a yellow color (RGB 239, 241, 83). Its closest standard named color is Khaki.
What is the RGB and HSL of #EFF153?
#EFF153 is RGB 239, 241, 83 — HSL 61°, 85%, 64% — CMYK 1%, 0%, 66%, 5%.
What colors go with #EFF153?
Its complement is #5855F1; analogous partners are #F1A655 and #A1F155. It also appears in 6+ palettes in our collection.
Can I use #EFF153 for text?
Black text on #EFF153 has a contrast ratio of 17.38:1 (passes WCAG AA); white text gives 1.21:1.