Palettes / Colors / #EFEF5A
#EFEF5A — Vivid Yellow
#EFEF5A is a yellow color we call Vivid Yellow, closest to the named color Khaki (#F0E68C). It belongs to the yellow family.
#EFEF5A 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 #5D5DEF; it also sits naturally between #EFA65D and #A6EF5D. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #EFEF5A |
|---|---|
| RGB | 239, 239, 90 |
| HSL | 60°, 82%, 65% |
| HSV | 60°, 62%, 94% |
| CMYK | 0%, 0%, 62%, 6% |
| XYZ | 68.31, 80.82, 21.67 |
| Yxy | 80.82, 0.3999, 0.4732 |
| CIE-Lab | 92.05, -17.88, 69.52 |
| Hunter Lab | 89.90, -17.17, 45.43 |
RGB & CMYK percentages
Red 94% · Green 94% · Blue 35%
Cyan 0% · Magenta 0% · Yellow 62% · 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 #EFEF5A
.text { color: #EFEF5A; }
.background { background-color: #EFEF5A; }
.border { border: 3px solid #EFEF5A; }
.text-rgb { color: rgb(239, 239, 90); }
.text-hsl { color: hsl(60, 82%, 65%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFEF5A; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 239, 90, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFEF5A; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 239, 90, 0.8); }
HTML: <p style="color:#EFEF5A">Text here</p> · <div style="background-color:#EFEF5A">Div content here</div>
Shades of #EFEF5A
Tints of #EFEF5A
Tones of #EFEF5A
Color harmonies
Complementary — #5D5DEF:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.22:1 Fails |
|---|---|
| Against black text | 17.16:1 AAA |
Best text color on #EFEF5A: #000000.
How #EFEF5A 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 #EFEF5A 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 #EFEF5A?
#EFEF5A is Vivid Yellow, a yellow color (RGB 239, 239, 90). Its closest standard named color is Khaki.
What is the RGB and HSL of #EFEF5A?
#EFEF5A is RGB 239, 239, 90 — HSL 60°, 82%, 65% — CMYK 0%, 0%, 62%, 6%.
What colors go with #EFEF5A?
Its complement is #5D5DEF; analogous partners are #EFA65D and #A6EF5D. It also appears in 6+ palettes in our collection.
Can I use #EFEF5A for text?
Black text on #EFEF5A has a contrast ratio of 17.16:1 (passes WCAG AA); white text gives 1.22:1.