Orangered1
orangered1 · #FF4500
HEX
#FF4500
RGB
rgb(255, 69, 0)
CMYK
cmyk(0%, 73%, 100%, 0%)
HSL
hsl(16, 100%, 50%)
LAB
lab(57.6, 67.8, 69.0)
What is Orangered1?
Orangered1 is the orangered1 reference in the X11 named colors. Its sRGB value is #FF4500 (rgb 255, 69, 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 Orangered1 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Orangered1
An 11-step tonal scale derived from Orangered1 (#FF4500). 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
#FFF0EB
#FFF0EB
100
#FFE1D6
#FFE1D6
200
#FFC3AD
#FFC3AD
300
#FFA280
#FFA280
400
#FF7440
#FF7440
500
#FF4500
#FF4500
600
#D93B00
#D93B00
700
#A62D00
#A62D00
800
#731F00
#731F00
900
#401100
#401100
950
#1F0800
#1F0800
Lighter tints (mixed with white)
15%
#FF7C6C
30%
#FF9E95
45%
#FFB9B3
60%
#FFCFCB
75%
#FFE3E1
Darker shades (mixed with black)
15%
#ED4000
30%
#DA3A00
45%
#C43300
60%
#AA2B00
75%
#892100
Color harmonies for Orangered1
Classic color-theory harmonies derived from rotating the hue of Orangered1. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#FF4500
#FF4500
#00BBFF
#00BBFF
Triadic
Three colors 120° apart
#FF4500
#FF4500
#00FF44
#00FF44
#4400FF
#4400FF
Analogous
Two neighbors ±30° on the wheel
#FF003B
#FF003B
#FF4500
#FF4500
#FFC300
#FFC300
Split-complementary
Base + two colors flanking its complement
#FF4500
#FF4500
#00FFC4
#00FFC4
#003BFF
#003BFF
Tetradic
Two complementary pairs
#FF4500
#FF4500
#BBFF00
#BBFF00
#00BBFF
#00BBFF
#4400FF
#4400FF
Square
Four colors evenly spaced 90° apart
#FF4500
#FF4500
#3BFF00
#3BFF00
#00BBFF
#00BBFF
#C300FF
#C300FF
Orangered1 in every color space
Full conversion of Orangered1 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
#FF4500
RGB
rgb(255, 69, 0)
CMYK
cmyk(0%, 73%, 100%, 0%)
HSL
hsl(16, 100%, 50%)
HSV
hsv(16, 100%, 100%)
HWB
hwb(16 0% 0%)
CIE Lab
lab(57.6 67.8 69.0)
OKLCH
oklch(66.0% 0.229 35.4)
XYZ (D65)
xyz(43.37, 25.52, 2.64)
Copy-ready code for Orangered1
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: #FF4500;
background-color: #FF4500;CSS variable
:root {
--color-orangered1: #FF4500;
}Tailwind config
// tailwind.config.js
colors: {
'orangered1': '#FF4500',
}Sass
$color-orangered1: #FF4500;Swift UIColor
UIColor(red: 1.000, green: 0.271, blue: 0.000, alpha: 1.0)Android XML
<color name="orangered1">#FF4500</color>Closest match in every color system
The nearest Orangered1 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 2004
#F44611
Pure orange
RAL 2008
#F75E25
Bright red orange
RAL 2009
#F54021
Traffic orange
RAL 2010
#D84B20
Signal orange
RAL 2012
#E55137
Salmon orange
RAL 3022
#D95030
Salmon pink
FAQ about Orangered1
What is the HEX code for Orangered1?
Orangered1 (orangered1) has the HEX code #FF4500. In RGB it is rgb(255, 69, 0), and in CMYK it is cmyk(0%, 73%, 100%, 0%).
What is the OKLCH value of Orangered1?
Orangered1 converts to oklch(0.660 0.229 35.4). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Orangered1 accessible for body text?
Used as a background, Orangered1 has a contrast ratio of 6.10:1 with black text and 3.44:1 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 Orangered1?
The closest Pantone reference to Orangered1 by ΔE2000 perceptual distance is Pantone 172 C (#FA4616). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Orangered1?
The closest RAL Classic reference to Orangered1 by ΔE2000 distance is RAL 2004 (Pure orange, #F44611). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Orangered1?
The complementary color (180° opposite on the HSL color wheel) of Orangered1 is #00BBFF. 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.