Palettes / Colors / #EF4E00
#EF4E00 — Vivid Orange
#EF4E00 is a orange color we call Vivid Orange, closest to the named color OrangeRed (#FF4500). It belongs to the orange family.
Color name
Closest CSS keyword: orangered (#FF4500) — not an exact match. CSS orangered gives you #FF4500, a different color; use #EF4E00 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.
#EF4E00 is a warm orange color associated with warmth, appetite and friendliness. 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 #00A0F0; it also sits naturally between #F00028 and #F0C800. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #EF4E00 |
|---|---|
| RGB | 239, 78, 0 |
| HSL | 20°, 100%, 47% |
| HSV | 20°, 100%, 94% |
| CMYK | 0%, 67%, 100%, 6% |
| XYZ | 38.32, 23.80, 2.57 |
| Yxy | 23.80, 0.5923, 0.3679 |
| CIE-Lab | 55.89, 59.52, 66.54 |
| Hunter Lab | 48.78, 58.36, 29.46 |
RGB & CMYK percentages
Red 94% · Green 31% · Blue 0%
Cyan 0% · Magenta 67% · Yellow 100% · 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 #EF4E00
.text { color: #EF4E00; }
.background { background-color: #EF4E00; }
.border { border: 3px solid #EF4E00; }
.text-rgb { color: rgb(239, 78, 0); }
.text-hsl { color: hsl(20, 100%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EF4E00; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 78, 0, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EF4E00; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 78, 0, 0.8); }
HTML: <p style="color:#EF4E00">Text here</p> · <div style="background-color:#EF4E00">Div content here</div>
Shades of #EF4E00
Tints of #EF4E00
Tones of #EF4E00
Color harmonies
Complementary — #00A0F0:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 3.65:1 AA large only |
|---|---|
| Against black text | 5.76:1 AA |
Best text color on #EF4E00: #000000.
Semi-transparent (opacity) text on #EF4E00
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 #EF4E00: ·
How #EF4E00 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 #EF4E00 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 #EF4E00?
#EF4E00 is Vivid Orange, a orange color (RGB 239, 78, 0). Its closest standard named color is OrangeRed.
What is the RGB and HSL of #EF4E00?
#EF4E00 is RGB 239, 78, 0 — HSL 20°, 100%, 47% — CMYK 0%, 67%, 100%, 6%.
What colors go with #EF4E00?
Its complement is #00A0F0; analogous partners are #F00028 and #F0C800. It also appears in 6+ palettes in our collection.
Can I use #EF4E00 for text?
Black text on #EF4E00 has a contrast ratio of 5.76:1 (passes WCAG AA); white text gives 3.65:1.