Ivory1
ivory1 · #FFFFF0
HEX
#FFFFF0
RGB
rgb(255, 255, 240)
CMYK
cmyk(0%, 0%, 6%, 0%)
HSL
hsl(60, 100%, 97%)
LAB
lab(99.6, -2.5, 7.2)
What is Ivory1?
Ivory1 is the ivory1 reference in the X11 named colors. Its sRGB value is #FFFFF0 (rgb 255, 255, 240). It sits in the yellow 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 Ivory1 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Ivory1
An 11-step tonal scale derived from Ivory1 (#FFFFF0). 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
#FFFFFE
#FFFFFE
100
#FFFFFD
#FFFFFD
200
#FFFFFA
#FFFFFA
300
#FFFFF8
#FFFFF8
400
#FFFFF4
#FFFFF4
500
#FFFFF0
#FFFFF0
600
#D9D9CC
#D9D9CC
700
#A6A69C
#A6A69C
800
#73736C
#73736C
900
#40403C
#40403C
950
#1F1F1D
#1F1F1D
Lighter tints (mixed with white)
15%
#FFFFF2
30%
#FFFFF5
45%
#FFFFF7
60%
#FFFFF9
75%
#FFFFFB
Darker shades (mixed with black)
15%
#EDEDDF
30%
#DADACD
45%
#C4C4B8
60%
#AAAA9F
75%
#898981
Color harmonies for Ivory1
Classic color-theory harmonies derived from rotating the hue of Ivory1. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#FFFFF0
#FFFFF0
#F0F0FF
#F0F0FF
Triadic
Three colors 120° apart
#FFFFF0
#FFFFF0
#F0FFFF
#F0FFFF
#FFF0FF
#FFF0FF
Analogous
Two neighbors ±30° on the wheel
#FFF7F0
#FFF7F0
#FFFFF0
#FFFFF0
#F7FFF0
#F7FFF0
Split-complementary
Base + two colors flanking its complement
#FFFFF0
#FFFFF0
#F0F7FF
#F0F7FF
#F7F0FF
#F7F0FF
Tetradic
Two complementary pairs
#FFFFF0
#FFFFF0
#F0FFF0
#F0FFF0
#F0F0FF
#F0F0FF
#FFF0FF
#FFF0FF
Square
Four colors evenly spaced 90° apart
#FFFFF0
#FFFFF0
#F0FFF7
#F0FFF7
#F0F0FF
#F0F0FF
#FFF0F7
#FFF0F7
Ivory1 in every color space
Full conversion of Ivory1 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
#FFFFF0
RGB
rgb(255, 255, 240)
CMYK
cmyk(0%, 0%, 6%, 0%)
HSL
hsl(60, 100%, 97%)
HSV
hsv(60, 6%, 100%)
HWB
hwb(60 94% 0%)
CIE Lab
lab(99.6 -2.5 7.2)
OKLCH
oklch(99.6% 0.020 106.8)
XYZ (D65)
xyz(92.73, 99.07, 96.66)
Copy-ready code for Ivory1
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: #FFFFF0;
background-color: #FFFFF0;CSS variable
:root {
--color-ivory1: #FFFFF0;
}Tailwind config
// tailwind.config.js
colors: {
'ivory1': '#FFFFF0',
}Sass
$color-ivory1: #FFFFF0;Swift UIColor
UIColor(red: 1.000, green: 1.000, blue: 0.941, alpha: 1.0)Android XML
<color name="ivory1">#FFFFF0</color>Closest match in every color system
The nearest Ivory1 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 9001
#FDF4E3
Cream
RAL 9002
#E7EBDA
Grey white
RAL 9010
#FFFFFF
Pure white
RAL 1013
#EAE6CA
Oyster white
RAL 9016
#F6F6F6
Traffic white
RAL 9003
#F4F4F4
Signal white
FAQ about Ivory1
What is the HEX code for Ivory1?
Ivory1 (ivory1) has the HEX code #FFFFF0. In RGB it is rgb(255, 255, 240), and in CMYK it is cmyk(0%, 0%, 6%, 0%).
What is the OKLCH value of Ivory1?
Ivory1 converts to oklch(0.996 0.020 106.8). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Ivory1 accessible for body text?
Used as a background, Ivory1 has a contrast ratio of 20.81:1 with black text and 1.01:1 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 Ivory1?
The closest Pantone reference to Ivory1 by ΔE2000 perceptual distance is Pantone Cool Gray 1 C (#D9D9D6). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Ivory1?
The closest RAL Classic reference to Ivory1 by ΔE2000 distance is RAL 9001 (Cream, #FDF4E3). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Ivory1?
The complementary color (180° opposite on the HSL color wheel) of Ivory1 is #F0F0FF. 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.