Ivory4
ivory4 · #8B8B83
HEX
#8B8B83
RGB
rgb(139, 139, 131)
CMYK
cmyk(0%, 0%, 6%, 45%)
HSL
hsl(60, 3%, 53%)
LAB
lab(57.6, -1.5, 4.3)
What is Ivory4?
Ivory4 is the ivory4 reference in the X11 named colors. Its sRGB value is #8B8B83 (rgb 139, 139, 131). It sits in the neutral 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 Ivory4 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Ivory4
An 11-step tonal scale derived from Ivory4 (#8B8B83). 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
#F6F6F5
#F6F6F5
100
#ECECEB
#ECECEB
200
#DADAD7
#DADAD7
300
#C5C5C1
#C5C5C1
400
#A8A8A2
#A8A8A2
500
#8B8B83
#8B8B83
600
#76766F
#76766F
700
#5A5A55
#5A5A55
800
#3F3F3B
#3F3F3B
900
#232321
#232321
950
#111110
#111110
Lighter tints (mixed with white)
15%
#A4A49E
30%
#B8B8B4
45%
#CACAC8
60%
#DADAD9
75%
#E9E9E8
Darker shades (mixed with black)
15%
#81817A
30%
#76766F
45%
#696963
60%
#5A5A55
75%
#484843
Color harmonies for Ivory4
Classic color-theory harmonies derived from rotating the hue of Ivory4. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#8B8B83
#8B8B83
#84848B
#84848B
Triadic
Three colors 120° apart
#8B8B83
#8B8B83
#848B8B
#848B8B
#8B848B
#8B848B
Analogous
Two neighbors ±30° on the wheel
#8B8784
#8B8784
#8B8B83
#8B8B83
#878B84
#878B84
Split-complementary
Base + two colors flanking its complement
#8B8B83
#8B8B83
#84878B
#84878B
#87848B
#87848B
Tetradic
Two complementary pairs
#8B8B83
#8B8B83
#848B84
#848B84
#84848B
#84848B
#8B848B
#8B848B
Square
Four colors evenly spaced 90° apart
#8B8B83
#8B8B83
#848B87
#848B87
#84848B
#84848B
#8B8487
#8B8487
Ivory4 in every color space
Full conversion of Ivory4 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
#8B8B83
RGB
rgb(139, 139, 131)
CMYK
cmyk(0%, 0%, 6%, 45%)
HSL
hsl(60, 3%, 53%)
HSV
hsv(60, 6%, 55%)
HWB
hwb(60 51% 45%)
CIE Lab
lab(57.6 -1.5 4.3)
OKLCH
oklch(63.4% 0.012 106.7)
XYZ (D65)
xyz(23.98, 25.59, 25.15)
Copy-ready code for Ivory4
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: #8B8B83;
background-color: #8B8B83;CSS variable
:root {
--color-ivory4: #8B8B83;
}Tailwind config
// tailwind.config.js
colors: {
'ivory4': '#8B8B83',
}Sass
$color-ivory4: #8B8B83;Swift UIColor
UIColor(red: 0.545, green: 0.545, blue: 0.514, alpha: 1.0)Android XML
<color name="ivory4">#8B8B83</color>Closest match in every color system
The nearest Ivory4 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 7042
#8D948D
Traffic grey A
RAL 7030
#8B8C7A
Stone grey
RAL 9007
#8F8F8F
Grey aluminium
RAL 7037
#7D7F7D
Dusty grey
RAL 7003
#7A7B6D
Moss grey
RAL 7033
#7D8471
Cement grey
FAQ about Ivory4
What is the HEX code for Ivory4?
Ivory4 (ivory4) has the HEX code #8B8B83. In RGB it is rgb(139, 139, 131), and in CMYK it is cmyk(0%, 0%, 6%, 45%).
What is the OKLCH value of Ivory4?
Ivory4 converts to oklch(0.634 0.012 106.7). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Ivory4 accessible for body text?
Used as a background, Ivory4 has a contrast ratio of 6.12:1 with black text and 3.43:1 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 Ivory4?
The closest Pantone reference to Ivory4 by ΔE2000 perceptual distance is Pantone Cool Gray 8 C (#888B8D). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Ivory4?
The closest RAL Classic reference to Ivory4 by ΔE2000 distance is RAL 7042 (Traffic grey A, #8D948D). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Ivory4?
The complementary color (180° opposite on the HSL color wheel) of Ivory4 is #84848B. 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.