Darkorange1
darkorange1 · #FF7F00
HEX
#FF7F00
RGB
rgb(255, 127, 0)
CMYK
cmyk(0%, 50%, 100%, 0%)
HSL
hsl(30, 100%, 50%)
LAB
lab(66.9, 43.3, 73.9)
What is Darkorange1?
Darkorange1 is the darkorange1 reference in the X11 named colors. Its sRGB value is #FF7F00 (rgb 255, 127, 0). It sits in the orange family. Historical X Window System color names — the numbered 1-4 lightness variants of the classic xorg-server rgb.txt palette. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Darkorange1 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Darkorange1
An 11-step tonal scale derived from Darkorange1 (#FF7F00). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.
50
#FFF5EB
#FFF5EB
100
#FFEBD6
#FFEBD6
200
#FFD6AD
#FFD6AD
300
#FFBF80
#FFBF80
400
#FF9F40
#FF9F40
500
#FF7F00
#FF7F00
600
#D96C00
#D96C00
700
#A65300
#A65300
800
#733900
#733900
900
#402000
#402000
950
#1F0F00
#1F0F00
Lighter tints (mixed with white)
15%
#FF9C6C
30%
#FFB395
45%
#FFC6B3
60%
#FFD8CB
75%
#FFE8E1
Darker shades (mixed with black)
15%
#ED7600
30%
#DA6C00
45%
#C46000
60%
#AA5200
75%
#894100
Color harmonies for Darkorange1
Classic color-theory harmonies derived from rotating the hue of Darkorange1. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#FF7F00
#FF7F00
#007FFF
#007FFF
Triadic
Three colors 120° apart
#FF7F00
#FF7F00
#00FF80
#00FF80
#7F00FF
#7F00FF
Analogous
Two neighbors ±30° on the wheel
#FF0000
#FF0000
#FF7F00
#FF7F00
#FFFF00
#FFFF00
Split-complementary
Base + two colors flanking its complement
#FF7F00
#FF7F00
#00FFFF
#00FFFF
#0000FF
#0000FF
Tetradic
Two complementary pairs
#FF7F00
#FF7F00
#80FF00
#80FF00
#007FFF
#007FFF
#7F00FF
#7F00FF
Square
Four colors evenly spaced 90° apart
#FF7F00
#FF7F00
#00FF00
#00FF00
#007FFF
#007FFF
#FF00FF
#FF00FF
Darkorange1 in every color space
Full conversion of Darkorange1 across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.
HEX
#FF7F00
RGB
rgb(255, 127, 0)
CMYK
cmyk(0%, 50%, 100%, 0%)
HSL
hsl(30, 100%, 50%)
HSV
hsv(30, 100%, 100%)
HWB
hwb(30 0% 0%)
CIE Lab
lab(66.9 43.3 73.9)
OKLCH
oklch(73.0% 0.186 52.6)
XYZ (D65)
xyz(48.83, 36.45, 4.46)
Copy-ready code for Darkorange1
Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.
CSS
color: #FF7F00;
background-color: #FF7F00;CSS variable
:root {
--color-darkorange1: #FF7F00;
}Tailwind config
// tailwind.config.js
colors: {
'darkorange1': '#FF7F00',
}Sass
$color-darkorange1: #FF7F00;Swift UIColor
UIColor(red: 1.000, green: 0.498, blue: 0.000, alpha: 1.0)Android XML
<color name="darkorange1">#FF7F00</color>Closest match in every color system
The nearest Darkorange1 equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.
Closest in X11 named colors
Top 6 ΔE2000-closest entries within the same collection.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 2000
#ED760E
Yellow orange
RAL 2011
#EC7C26
Deep orange
RAL 2003
#FF7514
Pastel orange
RAL 1037
#F39F18
Sun yellow
RAL 2008
#F75E25
Bright red orange
RAL 1034
#EFA94A
Pastel yellow
FAQ about Darkorange1
What is the HEX code for Darkorange1?
Darkorange1 (darkorange1) has the HEX code #FF7F00. In RGB it is rgb(255, 127, 0), and in CMYK it is cmyk(0%, 50%, 100%, 0%).
What is the OKLCH value of Darkorange1?
Darkorange1 converts to oklch(0.730 0.186 52.6). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Darkorange1 accessible for body text?
Used as a background, Darkorange1 has a contrast ratio of 8.29:1 with black text and 2.53:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.
What is the closest Pantone to Darkorange1?
The closest Pantone reference to Darkorange1 by ΔE2000 perceptual distance is Pantone 151 C (#FF8200). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Darkorange1?
The closest RAL Classic reference to Darkorange1 by ΔE2000 distance is RAL 2000 (Yellow orange, #ED760E). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Darkorange1?
The complementary color (180° opposite on the HSL color wheel) of Darkorange1 is #007FFF. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
X11 named colors (xorg rgb.txt)
The historical X11 color name list shipped in the xorg-server rgb.txt file. Roughly 550 entries covering classic computing color names like 'PapayaWhip', 'MediumAquamarine', and 'DarkSlateGray'. Many CSS named colors originate here. Use as a reference for legacy and creative color names. Most modern CSS implementations accept these names directly.
- Source type
- derived
- Confidence
- high
- License
- MIT/X11 license (X Consortium)
- Last reviewed
- 2026-05-24
Workflow tags
X11 colors are sRGB digital values from a 1980s color system. For print, convert to a process-appropriate color and proof against substrate.