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FF9900

#FF9900 Vitamin C

#FF9900 is a light, vivid orange named Vitamin C. In the RGB color model it is made of 100.0% red, 60.0% green and 0.0% blue (rgb(255, 153, 0)). Its HSL value is 36° hue, 100% saturation and 50% lightness, and in CMYK it is 0% cyan, 40% magenta, 100% yellow and 0% black. #FF9900 is a warm color. Black text reads best on it, with a contrast ratio of 9.81:1.

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#FF9900 color conversion

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CIELCh
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OKLCH

Variations of #FF9900

Shades

Mixed with black: richer and darker.

FF9900DE8400BE70009E5D00804A006338004827002E1700160800030100

Tints

Mixed with white: lighter and softer.

FF9900FFA43DFFAF5AFFB972FFC488FFCE9DFFD8B1FFE2C5FFECD8FFF5EC

Tones

Mixed with gray: calmer and more muted.

FF9900F2972BE6953ED9934BCC9156C08F5FB38C67A7896E9A86758D837B

Hues

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

FF8E99FF918AFF9379FF9565FF9749FF9900F1A300E3AB00D5B200C6B900B3C003

Temperatures

Cooler on the left, warmer on the right.

D79B6EDF9B62E79A55EF9A45F79A30FF9900FF9801FF9802FF9703FF9704FF9604

#FF9900 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

FF99000066FF
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Split complementary

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

FF990000E6FF1900FF
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Analogous

Neighbouring hues — calm, cohesive and natural.

FF9900FF1900E5FF00
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Triadic

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

FF990000FF999900FF
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Tetradic

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

FF990066FF000066FF9900FF
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Square

Four hues spaced at 90° — bold and playful.

FF990000FF190066FFFF00E6
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#FF9900 for color-blind viewers (and dogs)

How #FF9900 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 79% similarHow dogs see it · simulated as #D2BB06
  • Protanopia 77% similar1.3% of men, 0.02% of women · simulated as #B9A300
  • Protanomaly 84% similar1.3% of men, 0.02% of women · simulated as #D0A300
  • Deuteranopia 79% similar1.2% of men, 0.01% of women · simulated as #D2BB06
  • Deuteranomaly 86% similar5% of men, 0.35% of women · simulated as #DFAF00
  • Tritanopia 75% similar0.001% of men, 0.03% of women · simulated as #FF8182
  • Tritanomaly 88% similar0.0001% of men, 0.0001% of women · simulated as #FF905A
  • Achromatopsia 65% similar0.003% of men, 0.003% of women · simulated as #B1B1B1
  • Achromatomaly 73% similar0.001% of men, 0.001% of women · simulated as #C8AC9C

#FF9900 contrast checker

AaThe quick brown fox jumps over the lazy dog.
2.14:1 Very poor#FF9900 text on white
AA normalFailAAA normalFail
AA largeFailAAA largeFail
AaThe quick brown fox jumps over the lazy dog.
9.81:1 Very good#FF9900 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 #FF9900

Palettes with #FF9900

#FF9900 in CSS

/* Vitamin C */
.color { color: #FF9900; }
.background { background-color: #FF9900; }
.border { border: 1px solid #FF9900; }

/* Other notations */
color: rgb(255 153 0);
color: hsl(36 100% 50%);
color: oklch(0.772 0.174 64.6);

#FF9900 FAQ

What color is #FF9900?

#FF9900 is a light, vivid orange. Its closest named color is Vitamin C. It belongs to the orange color family and is a warm color.

What is the RGB value of #FF9900?

#FF9900 is rgb(255, 153, 0) in RGB, hsl(36, 100%, 50%) in HSL and cmyk(0%, 40%, 100%, 0%) in CMYK.

What is the complementary color of #FF9900?

The complementary color of #FF9900 is #0066FF, which sits opposite it on the color wheel.

Which text color works on #FF9900?

Black text has the best contrast on #FF9900: 9.81:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #FF9900 a warm or cool color?

#FF9900 is a warm color.