Palettes / Colors / #EFF499

#EFF499 — Light Vivid Yellow

#EFF499 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 #EFF499 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.

#EFF499 is a warm yellow color associated with optimism, attention and cheer. It is light enough to work as a background or base color, with darker text on top.

Its strongest partner is its complement #9E99F4; it also sits naturally between #F4CB99 and #C2F499. In the palettes below you can see it working alongside real color combinations from our collection.

Copy HEX Copy RGB Copy HSL Download PNG swatch SVG

Color values

RGB & CMYK percentages

Red 94% · Green 96% · Blue 60%

Cyan 2% · Magenta 0% · Yellow 37% · Key 4%

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

Previews

CSS code for #EFF499

.text { color: #EFF499; }
.background { background-color: #EFF499; }
.border { border: 3px solid #EFF499; }
.text-rgb { color: rgb(239, 244, 153); }
.text-hsl { color: hsl(63, 81%, 78%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFF499; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 244, 153, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFF499; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 244, 153, 0.8); }

HTML: <p style="color:#EFF499">Text here</p> · <div style="background-color:#EFF499">Div content here</div>

Shades of #EFF499

Tints of #EFF499

Tones of #EFF499

Color harmonies

Complementary — #9E99F4:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #EFF499: #000000.

Semi-transparent (opacity) text on #EFF499

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 #EFF499 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 #EFF499 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

← #EFF498  ·  #EFF49A →

Frequently asked questions

What color is #EFF499?

#EFF499 is Light Vivid Yellow, a yellow color (RGB 239, 244, 153). Its closest standard named color is Khaki.

What is the RGB and HSL of #EFF499?

#EFF499 is RGB 239, 244, 153 — HSL 63°, 81%, 78% — CMYK 2%, 0%, 37%, 4%.

What colors go with #EFF499?

Its complement is #9E99F4; analogous partners are #F4CB99 and #C2F499. It also appears in 6+ palettes in our collection.

Can I use #EFF499 for text?

Black text on #EFF499 has a contrast ratio of 18.07:1 (passes WCAG AA); white text gives 1.16:1.