Cadetblue2
cadetblue2 · #8EE5EE
HEX
#8EE5EE
RGB
rgb(142, 229, 238)
CMYK
cmyk(40%, 4%, 0%, 7%)
HSL
hsl(186, 74%, 75%)
LAB
lab(86.0, -23.9, -12.6)
What is Cadetblue2?
Cadetblue2 is the cadetblue2 reference in the X11 named colors. Its sRGB value is #8EE5EE (rgb 142, 229, 238). It sits in the cyan 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 Cadetblue2 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Cadetblue2
An 11-step tonal scale derived from Cadetblue2 (#8EE5EE). 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
#F6FDFE
#F6FDFE
100
#EDFBFC
#EDFBFC
200
#DBF7FA
#DBF7FA
300
#C7F2F7
#C7F2F7
400
#AAECF2
#AAECF2
500
#8EE5EE
#8EE5EE
600
#79C3CA
#79C3CA
700
#5C959B
#5C959B
800
#40676B
#40676B
900
#24393C
#24393C
950
#111B1D
#111B1D
Lighter tints (mixed with white)
15%
#A6E9F1
30%
#BAEDF3
45%
#CBF1F6
60%
#DBF5F8
75%
#E9F9FB
Darker shades (mixed with black)
15%
#84D5DD
30%
#78C3CB
45%
#6CAFB6
60%
#5C989E
75%
#4A7A7F
Color harmonies for Cadetblue2
Classic color-theory harmonies derived from rotating the hue of Cadetblue2. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#8EE5EE
#8EE5EE
#EE9A90
#EE9A90
Triadic
Three colors 120° apart
#8EE5EE
#8EE5EE
#EE90E5
#EE90E5
#E5EE90
#E5EE90
Analogous
Two neighbors ±30° on the wheel
#90EEC9
#90EEC9
#8EE5EE
#8EE5EE
#90B6EE
#90B6EE
Split-complementary
Base + two colors flanking its complement
#8EE5EE
#8EE5EE
#EE90B6
#EE90B6
#EEC990
#EEC990
Tetradic
Two complementary pairs
#8EE5EE
#8EE5EE
#9A90EE
#9A90EE
#EE9A90
#EE9A90
#E5EE90
#E5EE90
Square
Four colors evenly spaced 90° apart
#8EE5EE
#8EE5EE
#C990EE
#C990EE
#EE9A90
#EE9A90
#B6EE90
#B6EE90
Cadetblue2 in every color space
Full conversion of Cadetblue2 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
#8EE5EE
RGB
rgb(142, 229, 238)
CMYK
cmyk(40%, 4%, 0%, 7%)
HSL
hsl(186, 74%, 75%)
HSV
hsv(186, 40%, 93%)
HWB
hwb(186 56% 7%)
CIE Lab
lab(86.0 -23.9 -12.6)
OKLCH
oklch(87.0% 0.085 204.2)
XYZ (D65)
xyz(54.60, 67.96, 91.11)
Copy-ready code for Cadetblue2
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: #8EE5EE;
background-color: #8EE5EE;CSS variable
:root {
--color-cadetblue2: #8EE5EE;
}Tailwind config
// tailwind.config.js
colors: {
'cadetblue2': '#8EE5EE',
}Sass
$color-cadetblue2: #8EE5EE;Swift UIColor
UIColor(red: 0.557, green: 0.898, blue: 0.933, alpha: 1.0)Android XML
<color name="cadetblue2">#8EE5EE</color>Closest match in every color system
The nearest Cadetblue2 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 6027
#84C3BE
Light green
RAL 5024
#5D9B9B
Pastel blue
RAL 7035
#D7D7D7
Light grey
RAL 9018
#D7D7D7
Papyrus white
RAL 9002
#E7EBDA
Grey white
RAL 7038
#B5B8B1
Agate grey
FAQ about Cadetblue2
What is the HEX code for Cadetblue2?
Cadetblue2 (cadetblue2) has the HEX code #8EE5EE. In RGB it is rgb(142, 229, 238), and in CMYK it is cmyk(40%, 4%, 0%, 7%).
What is the OKLCH value of Cadetblue2?
Cadetblue2 converts to oklch(0.870 0.085 204.2). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Cadetblue2 accessible for body text?
Used as a background, Cadetblue2 has a contrast ratio of 14.59:1 with black text and 1.44:1 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 Cadetblue2?
The closest Pantone reference to Cadetblue2 by ΔE2000 perceptual distance is Pantone 304 C (#9CDBD9). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Cadetblue2?
The closest RAL Classic reference to Cadetblue2 by ΔE2000 distance is RAL 6027 (Light green, #84C3BE). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Cadetblue2?
The complementary color (180° opposite on the HSL color wheel) of Cadetblue2 is #EE9A90. 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.