brownwarmCC0 survey name

Deep Orange #DC4D01

Deep Orange is a mid-tone, vivid warm color (#DC4D01; HSL 21° 99% 43%). Name from the public-domain xkcd color survey (CC0), where it was contributed as “deep orange”.

Use cases: Earthy palettes · Warm neutrals

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Families: Browns · Rust Colors · Copper Colors

Color values

FormatValue
HEX#DC4D01
RGBrgb(220, 77, 1)
HSLhsl(21, 99%, 43%)
HSVhsv(21, 100%, 86%)
OKLCHoklch(61.02% 0.191 40.1)
OKLaboklab(61.02% 0.1457 0.1229)
CMYKcmyk(0%, 65%, 99.5%, 13.7%)
XYZxyz(32.1784, 20.5305, 2.2971)
CIE-LABlab(52.4, 53.5, 62.7)
CIE-LCHlch(52.4, 82.5, 49.5°)
Luminance0.205 (WCAG relative)
/* Deep Orange */ --deep-orange: #dc4d01; color: #dc4d01; background-color: #dc4d01;

Source: xkcd color survey name (public domain, CC0). CSS keyword: deeporange.

Collections: Vibrant Colors · Neon Colors · Jewel Tone Colors · Sunset Colors

Shade scale

Perceptual 50–950 scale, interpolated in CIE-LAB. Step 500 is the base color. Edit in the shade generator →

50
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950

OKLCH ramp (perceptually uniform, modern CSS)

50
100
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500
600
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950

Shades (toward black)

#c44606 #ad3f09 #96380c #80310d #6a2b0e #55240d #411d0b #2e1608 #1d0e04 #000000

Tints (toward white)

#e46124 #eb733d #f28555 #f7976c #fba884 #ffb99b #ffcbb4 #ffdccc #ffede5 #ffffff

Tones (toward gray)

#d55417 #cd5a26 #c66032 #bd653e #b56a49 #ac6e53 #a2725e #977668 #8b7a73 #7d7d7d

Color harmonies

Complementary

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#DC4D01
#0190DC
#dc4d01 #0190dc

Analogous

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#DC0122
#DC4D01
#DCBA01
#dc0122 #dc4d01 #dcba01

Triadic

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#DC4D01
#01DC4D
#4D01DC
#dc4d01 #01dc4d #4d01dc

Tetradic

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#DC4D01
#22DC01
#0190DC
#BA01DC
#dc4d01 #22dc01 #0190dc #ba01dc

Square

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#DC4D01
#22DC01
#0190DC
#BA01DC
#dc4d01 #22dc01 #0190dc #ba01dc

Split Complementary

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#DC4D01
#01DCBA
#0122DC
#dc4d01 #01dcba #0122dc

Monochromatic

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#622200
#9F3801
#DC4D01
#FE6B1C
#FE9259
#622200 #9f3801 #dc4d01 #fe6b1c #fe9259

Accessibility & contrast

4.11
#DC4D01 on #FFFFFF
AA text AA large AAA text UI 3:1
5.11
#DC4D01 on #000000
AA text AA large AAA text UI 3:1

Best text on deep orange

5.11
#000000 text

WCAG 2.1: AA needs ≥4.5:1 for normal text, ≥3:1 for large text and UI components; AAA needs ≥7:1 / ≥4.5:1. Open the contrast checker →

Color blindness preview

Simulation using the Machado et al. (2009) physiological model, severity 1.0. This is an approximation of perception — not a medical assessment.

Normal vision
Protanopia (red-blind)
#786900
Deuteranopia (green-blind)
#9B8900
Tritanopia (blue-blind)
#F31E42

Closest named colors

Nearest matches by CIEDE2000 perceptual distance (ΔE₀₀) across the full color database.

ColorNameΔE₀₀
Rusty Orange #CD59094.24
Dark Orange #C651024.69
Rust Orange #C455085.26
Brick Orange #C14A095.75
Orangish Red #F436055.89
Burnt Orange #C04E015.94

Colors that go with deep orange

Top matches by hue harmony, contrast and saturation compatibility.

Warm Beige #E9DCC9
3.0:1
Analogous hue (Δh ≈15°) — neighbors on the color wheel
Gold #FFD700
2.9:1
Analogous hue (Δh ≈30°) — neighbors on the color wheel
Shamrock Green #02C14D
1.7:1
Triadic harmony (Δh ≈123°) — balanced three-way contrast
Royal #0C1793
3.3:1
Split-complementary angle (Δh ≈146°) — strong but softer than direct complement
Charcoal #36454F
2.4:1
Complementary hue (Δh ≈177°) — maximum hue contrast

Values computed from the sRGB color model. CMYK is the naive sRGB conversion without an ICC profile. RGB percentages may differ between color-managed applications.