Mystic Red (#FF5500)

The hex code for Mystic Red is #FF5500. It is rgb(255, 85, 0) in RGB, hsl(20, 100%, 50%) in HSL, and about cmyk(0%, 67%, 100%, 0%) in CMYK — a mid-tone orange. Black text is the more readable choice on this background.

#FF5500

HEX#FF5500

RGBrgb(255, 85, 0)

HSLhsl(20, 100%, 50%)

HSVhsv(20, 100%, 100%)

CMYKcmyk(0%, 67%, 100%, 0%)

OKLCHoklch(67.6% 0.217 38.8)

LABlab(60.57% 63.74 71.60)

LCHlch(60.57% 95.86 48.33)

Colors Closest to Mystic Red

Mystic Red is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.

Orange (Pantone)#FF5800ΔE 1.21 Willpower Orange#FD5800ΔE 1.79 International Orange (Aerospace)#FF4F00ΔE 2.31 Maximum Orange#FF5B00ΔE 2.44 Tangelo#F94D00ΔE 2.83 Vivid Orange#FF5F00ΔE 4.14

Browse the full index of named colors A-Z or every orange in the library.

#FF5500 Channel Values

How Mystic Red breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 255 · G 85 · B 0	8-bit channels as sent to the display
HSL	H 20° · S 100% · L 50%	Easiest model for building lighter and darker variants
HSV	H 20° · S 100% · V 100%	Matches the picker in most design tools
CMYK	C 0% · M 67% · Y 100% · K 0%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	3.21:1 vs white · 6.55:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Mystic Red background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text3.21:1AA normal AA large AAA normal

TextBlack text6.55:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #FF5500 in the contrast checker.

Colors That Go With Mystic Red

Pairings derived from color-wheel relationships. The complementary color sits opposite Mystic Red; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of Mystic Red

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #FF5500.

How Mystic Red Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#FF5500

Protanopia#888800

Protanomaly#C37700

Deuteranopia#A8A800

Deuteranomaly#D18E00

Tritanopia#FF5050

Tritanomaly#FF523E

Achromatopsia#909090

Test a full palette in the color blindness simulator.

Using #FF5500 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--mystic-red: #FF5500;

CSS backgroundbackground-color: #FF5500;

Tailwind configcolors: { 'mystic-red': '#FF5500' }

SwiftUIColor(red: 1.000, green: 0.333, blue: 0.000)

Android XML<color name="mystic_red">#FF5500</color>

SVG fillfill="#FF5500"

More Orange Colors

Mystic Red sits in the orange family. These are its neighbours across that family's full range, each with its own breakdown.

ff5714 ff4f0f ff5800 ff4f00 ff5b00 ff4500 ff5e24 fefbf6 ff5f00 fef9f1 ff6600 fe9a00 ff7f50 ffab0f ffca8a ffe2b8 fff1e0 a97142 cd9575 e06f1f e6be8a ed9121 f4e0d7 fae8db

#FF5500 Frequently Asked Questions

What is the hex code for Mystic Red?

The hex code for Mystic Red is #FF5500. That is rgb(255, 85, 0) in RGB, hsl(20, 100%, 50%) in HSL, and approximately cmyk(0%, 67%, 100%, 0%) in CMYK.

What is the RGB value of #FF5500?

#FF5500 is rgb(255, 85, 0) — red 255, green 85, and blue 0 on the 0-255 scale.

What is the CMYK value of #FF5500?

#FF5500 converts to approximately cmyk(0%, 67%, 100%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #FF5500 be black or white?

Black text is the more readable choice. #FF5500 scores 3.21:1 against white and 6.55:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #FF5500 as a CSS color keyword?

No. #FF5500 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is orangered (#FF4500) at a CIE76 distance of 5.85, which is clearly related but distinguishable side by side.

Open Mystic Red in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every orange in the color library, the guide to shades of orange, or the full color library.