Palettes / Colors / #EFBB03

#EFBB03 — Vivid Yellow

#EFBB03 is a yellow color we call Vivid Yellow, closest to the named color Orange (#FFA500). It belongs to the yellow family.

Color name

Closest CSS keyword: orange (#FFA500) — not an exact match. CSS orange gives you #FFA500, a different color; use #EFBB03 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.

#EFBB03 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 #0235ED; it also sits naturally between #ED4502 and #ABED02. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 94% · Green 73% · Blue 1%

Cyan 0% · Magenta 22% · Yellow 99% · Key 6%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #EFBB03

.text { color: #EFBB03; }
.background { background-color: #EFBB03; }
.border { border: 3px solid #EFBB03; }
.text-rgb { color: rgb(239, 187, 3); }
.text-hsl { color: hsl(47, 98%, 47%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFBB03; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 187, 3, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFBB03; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 187, 3, 0.8); }

HTML: <p style="color:#EFBB03">Text here</p> · <div style="background-color:#EFBB03">Div content here</div>

Shades of #EFBB03

Tints of #EFBB03

Tones of #EFBB03

Color harmonies

Complementary — #0235ED:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #EFBB03: #000000.

Semi-transparent (opacity) text on #EFBB03

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:

How #EFBB03 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 #EFBB03 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

← #EFBB02  ·  #EFBB04 →

Frequently asked questions

What color is #EFBB03?

#EFBB03 is Vivid Yellow, a yellow color (RGB 239, 187, 3). Its closest standard named color is Orange.

What is the RGB and HSL of #EFBB03?

#EFBB03 is RGB 239, 187, 3 — HSL 47°, 98%, 47% — CMYK 0%, 22%, 99%, 6%.

What colors go with #EFBB03?

Its complement is #0235ED; analogous partners are #ED4502 and #ABED02. It also appears in 6+ palettes in our collection.

Can I use #EFBB03 for text?

Black text on #EFBB03 has a contrast ratio of 11.78:1 (passes WCAG AA); white text gives 1.78:1.