Palettes / Colors / #EFCD0B

#EFCD0B — Vivid Yellow

#EFCD0B is a yellow color we call Vivid Yellow, closest to the named color Gold (#FFD700). It belongs to the yellow family.

Color name

Closest CSS keyword: gold (#FFD700) — not an exact match. CSS gold gives you #FFD700, a different color; use #EFCD0B 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.

#EFCD0B 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 #0B2DEF; it also sits naturally between #EF5B0B and #9FEF0B. 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 80% · Blue 4%

Cyan 0% · Magenta 14% · Yellow 95% · Key 6%

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

Previews

CSS code for #EFCD0B

.text { color: #EFCD0B; }
.background { background-color: #EFCD0B; }
.border { border: 3px solid #EFCD0B; }
.text-rgb { color: rgb(239, 205, 11); }
.text-hsl { color: hsl(51, 91%, 49%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFCD0B; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 205, 11, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFCD0B; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 205, 11, 0.8); }

HTML: <p style="color:#EFCD0B">Text here</p> · <div style="background-color:#EFCD0B">Div content here</div>

Shades of #EFCD0B

Tints of #EFCD0B

Tones of #EFCD0B

Color harmonies

Complementary — #0B2DEF:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #EFCD0B: #000000.

Semi-transparent (opacity) text on #EFCD0B

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 #EFCD0B 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 #EFCD0B 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

← #EFCD0A  ·  #EFCD0C →

Frequently asked questions

What color is #EFCD0B?

#EFCD0B is Vivid Yellow, a yellow color (RGB 239, 205, 11). Its closest standard named color is Gold.

What is the RGB and HSL of #EFCD0B?

#EFCD0B is RGB 239, 205, 11 — HSL 51°, 91%, 49% — CMYK 0%, 14%, 95%, 6%.

What colors go with #EFCD0B?

Its complement is #0B2DEF; analogous partners are #EF5B0B and #9FEF0B. It also appears in 6+ palettes in our collection.

Can I use #EFCD0B for text?

Black text on #EFCD0B has a contrast ratio of 13.41:1 (passes WCAG AA); white text gives 1.57:1.