Palettes / Colors / #EFC033
#EFC033 — Vivid Yellow
#EFC033 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 #EFC033 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.
#EFC033 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 #3463EF; it also sits naturally between #EF6334 and #C0EF34. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #EFC033 |
|---|---|
| RGB | 239, 192, 51 |
| HSL | 45°, 85%, 57% |
| HSV | 45°, 79%, 94% |
| CMYK | 0%, 20%, 79%, 6% |
| XYZ | 55.04, 56.29, 11.10 |
| Yxy | 56.29, 0.4496, 0.4598 |
| CIE-Lab | 79.78, 3.93, 71.72 |
| Hunter Lab | 75.03, 3.73, 41.19 |
RGB & CMYK percentages
Red 94% · Green 75% · Blue 20%
Cyan 0% · Magenta 20% · Yellow 79% · 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 #EFC033
.text { color: #EFC033; }
.background { background-color: #EFC033; }
.border { border: 3px solid #EFC033; }
.text-rgb { color: rgb(239, 192, 51); }
.text-hsl { color: hsl(45, 85%, 57%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #EFC033; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(239, 192, 51, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #EFC033; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(239, 192, 51, 0.8); }
HTML: <p style="color:#EFC033">Text here</p> · <div style="background-color:#EFC033">Div content here</div>
Shades of #EFC033
Tints of #EFC033
Tones of #EFC033
Color harmonies
Complementary — #3463EF:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.71:1 Fails |
|---|---|
| Against black text | 12.26:1 AAA |
Best text color on #EFC033: #000000.
Semi-transparent (opacity) text on #EFC033
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 #EFC033: ·
How #EFC033 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 #EFC033 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 #EFC033?
#EFC033 is Vivid Yellow, a yellow color (RGB 239, 192, 51). Its closest standard named color is GoldenRod.
What is the RGB and HSL of #EFC033?
#EFC033 is RGB 239, 192, 51 — HSL 45°, 85%, 57% — CMYK 0%, 20%, 79%, 6%.
What colors go with #EFC033?
Its complement is #3463EF; analogous partners are #EF6334 and #C0EF34. It also appears in 6+ palettes in our collection.
Can I use #EFC033 for text?
Black text on #EFC033 has a contrast ratio of 12.26:1 (passes WCAG AA); white text gives 1.71:1.