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EFCC00

#EFCC00 Munsell Yellow

#EFCC00 is a light, vivid yellow named Munsell Yellow. In the RGB color model it is made of 93.7% red, 80.0% green and 0.0% blue (rgb(239, 204, 0)). Its HSL value is 51° hue, 100% saturation and 47% lightness, and in CMYK it is 0% cyan, 15% magenta, 100% yellow and 6% black. #EFCC00 is a warm color. Black text reads best on it, with a contrast ratio of 13.31:1.

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#EFCC00 color conversion

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RGB
HSL
HSB / HSV
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CMYK
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CIELCh
CIELUV
OKLCH

Variations of #EFCC00

Shades

Mixed with black: richer and darker.

EFCC00D0B100B19700947E007865005C4E004237002A2200140F00030200

Tints

Mixed with white: lighter and softer.

EFCC00F1D243F2D761F4DC79F5E28FF7E7A3F8ECB6FAF1C9FCF6DBFDFAED

Tones

Mixed with gray: calmer and more muted.

EFCC00E3C430D8BD44CCB552C1AE5CB6A665AB9F6CA097729590778A887C

Hues

The same lightness and chroma, rotated around the color wheel.

FFBC9CFFBE8FFFBF7DFFC160FFC400EFCC00DCD422C7DB3DB0E25695E76E77EC86

Temperatures

Cooler on the left, warmer on the right.

C6C177CEC36AD7C55DDFC84CE7CA35EFCC00F0C901F1C702F2C403F3C104F4BF05

#EFCC00 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

EFCC000023EF
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Split complementary

The two hues next to the complement — contrast with less tension.

EFCC00009BEF5500EF
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Analogous

Neighbouring hues — calm, cohesive and natural.

EFCC00EF54009BEF00
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Triadic

Three hues evenly spaced at 120° — vibrant yet balanced.

EFCC0000EFCCCC00EF
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Tetradic

Two complementary pairs — rich, best with one dominant color.

EFCC0023EF000023EFCC00EF
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Square

Four hues spaced at 90° — bold and playful.

EFCC0000EF540023EFEF009A
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#EFCC00 for color-blind viewers (and dogs)

How #EFCC00 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 97% similarHow dogs see it · simulated as #ECD222
  • Protanopia 95% similar1.3% of men, 0.02% of women · simulated as #E3C700
  • Protanomaly 97% similar1.3% of men, 0.02% of women · simulated as #E7CA00
  • Deuteranopia 97% similar1.2% of men, 0.01% of women · simulated as #ECD222
  • Deuteranomaly 98% similar5% of men, 0.35% of women · simulated as #ECD015
  • Tritanopia 68% similar0.001% of men, 0.03% of women · simulated as #FFBBAE
  • Tritanomaly 84% similar0.0001% of men, 0.0001% of women · simulated as #F6C57A
  • Achromatopsia 65% similar0.003% of men, 0.003% of women · simulated as #CECECE
  • Achromatomaly 72% similar0.001% of men, 0.001% of women · simulated as #D7CDB5

#EFCC00 contrast checker

AaThe quick brown fox jumps over the lazy dog.
1.58:1 Very poor#EFCC00 text on white
AA normalFailAAA normalFail
AA largeFailAAA largeFail
AaThe quick brown fox jumps over the lazy dog.
13.31:1 Super#EFCC00 text on black
AA normalPassAAA normalPass
AA largePassAAA largePass

Need another background? Pick any pair in the palette generator and open the contrast panel.

Colors similar to #EFCC00

Palettes with #EFCC00

#EFCC00 in CSS

/* Munsell Yellow */
.color { color: #EFCC00; }
.background { background-color: #EFCC00; }
.border { border: 1px solid #EFCC00; }

/* Other notations */
color: rgb(239 204 0);
color: hsl(51 100% 47%);
color: oklch(0.850 0.175 96.5);

#EFCC00 FAQ

What color is #EFCC00?

#EFCC00 is a light, vivid yellow. Its closest named color is Munsell Yellow. It belongs to the yellow color family and is a warm color.

What is the RGB value of #EFCC00?

#EFCC00 is rgb(239, 204, 0) in RGB, hsl(51, 100%, 47%) in HSL and cmyk(0%, 15%, 100%, 6%) in CMYK.

What is the complementary color of #EFCC00?

The complementary color of #EFCC00 is #0023EF, which sits opposite it on the color wheel.

Which text color works on #EFCC00?

Black text has the best contrast on #EFCC00: 13.31:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #EFCC00 a warm or cool color?

#EFCC00 is a warm color.