Palettes / Colors / #EFCB28
#EFCB28 — Vivid Yellow
#EFCB28 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 #EFCB28 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.
#EFCB28 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 #2A4EEF; it also sits naturally between #EF682A and #B0EF2A. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #EFCB28 |
|---|---|
| RGB | 239, 203, 40 |
| HSL | 49°, 86%, 55% |
| HSV | 49°, 83%, 94% |
| CMYK | 0%, 15%, 83%, 6% |
| XYZ | 57.34, 61.22, 10.80 |
| Yxy | 61.22, 0.4432, 0.4732 |
| CIE-Lab | 82.49, -2.07, 77.23 |
| Hunter Lab | 78.24, -1.97, 43.95 |
RGB & CMYK percentages
Red 94% · Green 80% · Blue 16%
Cyan 0% · Magenta 15% · Yellow 83% · 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 #EFCB28
.text { color: #EFCB28; }
.background { background-color: #EFCB28; }
.border { border: 3px solid #EFCB28; }
.text-rgb { color: rgb(239, 203, 40); }
.text-hsl { color: hsl(49, 86%, 55%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFCB28; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 203, 40, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFCB28; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 203, 40, 0.8); }
HTML: <p style="color:#EFCB28">Text here</p> · <div style="background-color:#EFCB28">Div content here</div>
Shades of #EFCB28
Tints of #EFCB28
Tones of #EFCB28
Color harmonies
Complementary — #2A4EEF:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.59:1 Fails |
|---|---|
| Against black text | 13.24:1 AAA |
Best text color on #EFCB28: #000000.
Semi-transparent (opacity) text on #EFCB28
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 #EFCB28: ·
How #EFCB28 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 #EFCB28 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 #EFCB28?
#EFCB28 is Vivid Yellow, a yellow color (RGB 239, 203, 40). Its closest standard named color is GoldenRod.
What is the RGB and HSL of #EFCB28?
#EFCB28 is RGB 239, 203, 40 — HSL 49°, 86%, 55% — CMYK 0%, 15%, 83%, 6%.
What colors go with #EFCB28?
Its complement is #2A4EEF; analogous partners are #EF682A and #B0EF2A. It also appears in 6+ palettes in our collection.
Can I use #EFCB28 for text?
Black text on #EFCB28 has a contrast ratio of 13.24:1 (passes WCAG AA); white text gives 1.59:1.