Palettes / Colors / #EFFB83

#EFFB83 — Light Vivid Yellow

#EFFB83 is a yellow color we call Light 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 #EFFB83 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.

#EFFB83 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 #8F83FB; it also sits naturally between #FBCB83 and #B3FB83. 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 98% · Blue 51%

Cyan 5% · Magenta 0% · Yellow 48% · Key 2%

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

Previews

CSS code for #EFFB83

.text { color: #EFFB83; }
.background { background-color: #EFFB83; }
.border { border: 3px solid #EFFB83; }
.text-rgb { color: rgb(239, 251, 131); }
.text-hsl { color: hsl(66, 94%, 75%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFFB83; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 251, 131, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFFB83; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 251, 131, 0.8); }

HTML: <p style="color:#EFFB83">Text here</p> · <div style="background-color:#EFFB83">Div content here</div>

Shades of #EFFB83

Tints of #EFFB83

Tones of #EFFB83

Color harmonies

Complementary — #8F83FB:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #EFFB83: #000000.

Semi-transparent (opacity) text on #EFFB83

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 #EFFB83 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 #EFFB83 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

← #EFFB82  ·  #EFFB84 →

Frequently asked questions

What color is #EFFB83?

#EFFB83 is Light Vivid Yellow, a yellow color (RGB 239, 251, 131). Its closest standard named color is Khaki.

What is the RGB and HSL of #EFFB83?

#EFFB83 is RGB 239, 251, 131 — HSL 66°, 94%, 75% — CMYK 5%, 0%, 48%, 2%.

What colors go with #EFFB83?

Its complement is #8F83FB; analogous partners are #FBCB83 and #B3FB83. It also appears in 6+ palettes in our collection.

Can I use #EFFB83 for text?

Black text on #EFFB83 has a contrast ratio of 18.80:1 (passes WCAG AA); white text gives 1.12:1.