Palettes / Colors / #EFBB21
#EFBB21 — Vivid Yellow
#EFBB21 is a yellow color we call Vivid Yellow, closest to the named color GoldenRod (#DAA520). It belongs to the yellow family.
Color name
Closest CSS keyword: goldenrod (#DAA520) — not an exact match. CSS goldenrod gives you #DAA520, a different color; use #EFBB21 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.
#EFBB21 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 #1F53EF; it also sits naturally between #EF531F and #BBEF1F. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #EFBB21 |
|---|---|
| RGB | 239, 187, 33 |
| HSL | 45°, 87%, 53% |
| HSV | 45°, 86%, 94% |
| CMYK | 0%, 22%, 86%, 6% |
| XYZ | 53.64, 54.00, 9.03 |
| Yxy | 54.00, 0.4597, 0.4628 |
| CIE-Lab | 78.46, 6.03, 75.63 |
| Hunter Lab | 73.49, 5.71, 41.69 |
RGB & CMYK percentages
Red 94% · Green 73% · Blue 13%
Cyan 0% · Magenta 22% · Yellow 86% · 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 #EFBB21
.text { color: #EFBB21; }
.background { background-color: #EFBB21; }
.border { border: 3px solid #EFBB21; }
.text-rgb { color: rgb(239, 187, 33); }
.text-hsl { color: hsl(45, 87%, 53%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFBB21; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 187, 33, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFBB21; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 187, 33, 0.8); }
HTML: <p style="color:#EFBB21">Text here</p> · <div style="background-color:#EFBB21">Div content here</div>
Shades of #EFBB21
Tints of #EFBB21
Tones of #EFBB21
Color harmonies
Complementary — #1F53EF:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.78:1 Fails |
|---|---|
| Against black text | 11.80:1 AAA |
Best text color on #EFBB21: #000000.
Semi-transparent (opacity) text on #EFBB21
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 #EFBB21: ·
How #EFBB21 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 #EFBB21 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 #EFBB21?
#EFBB21 is Vivid Yellow, a yellow color (RGB 239, 187, 33). Its closest standard named color is GoldenRod.
What is the RGB and HSL of #EFBB21?
#EFBB21 is RGB 239, 187, 33 — HSL 45°, 87%, 53% — CMYK 0%, 22%, 86%, 6%.
What colors go with #EFBB21?
Its complement is #1F53EF; analogous partners are #EF531F and #BBEF1F. It also appears in 6+ palettes in our collection.
Can I use #EFBB21 for text?
Black text on #EFBB21 has a contrast ratio of 11.80:1 (passes WCAG AA); white text gives 1.78:1.