Turquoise1
turquoise1 · #00F5FF
HEX
#00F5FF
RGB
rgb(0, 245, 255)
CMYK
cmyk(100%, 4%, 0%, 0%)
HSL
hsl(182, 100%, 50%)
LAB
lab(88.2, -43.7, -18.5)
What is Turquoise1?
Turquoise1 is the turquoise1 reference in the X11 named colors. Its sRGB value is #00F5FF (rgb 0, 245, 255). 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 Turquoise1 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Turquoise1
An 11-step tonal scale derived from Turquoise1 (#00F5FF). 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
#EBFEFF
#EBFEFF
100
#D6FDFF
#D6FDFF
200
#ADFCFF
#ADFCFF
300
#80FAFF
#80FAFF
400
#40F8FF
#40F8FF
500
#00F5FF
#00F5FF
600
#00D0D9
#00D0D9
700
#009FA6
#009FA6
800
#006E73
#006E73
900
#003D40
#003D40
950
#001D1F
#001D1F
Lighter tints (mixed with white)
15%
#6CF7FF
30%
#95F8FF
45%
#B3FAFF
60%
#CBFBFF
75%
#E1FDFF
Darker shades (mixed with black)
15%
#00E4ED
30%
#00D1DA
45%
#00BCC4
60%
#00A3AA
75%
#008389
Color harmonies for Turquoise1
Classic color-theory harmonies derived from rotating the hue of Turquoise1. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#00F5FF
#00F5FF
#FF0900
#FF0900
Triadic
Three colors 120° apart
#00F5FF
#00F5FF
#FF00F6
#FF00F6
#F6FF00
#F6FF00
Analogous
Two neighbors ±30° on the wheel
#00FF88
#00FF88
#00F5FF
#00F5FF
#0077FF
#0077FF
Split-complementary
Base + two colors flanking its complement
#00F5FF
#00F5FF
#FF0077
#FF0077
#FF8800
#FF8800
Tetradic
Two complementary pairs
#00F5FF
#00F5FF
#0800FF
#0800FF
#FF0900
#FF0900
#F6FF00
#F6FF00
Square
Four colors evenly spaced 90° apart
#00F5FF
#00F5FF
#8800FF
#8800FF
#FF0900
#FF0900
#77FF00
#77FF00
Turquoise1 in every color space
Full conversion of Turquoise1 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
#00F5FF
RGB
rgb(0, 245, 255)
CMYK
cmyk(100%, 4%, 0%, 0%)
HSL
hsl(182, 100%, 50%)
HSV
hsv(182, 100%, 100%)
HWB
hwb(182 0% 0%)
CIE Lab
lab(88.2 -43.7 -18.5)
OKLCH
oklch(88.2% 0.150 200.1)
XYZ (D65)
xyz(50.69, 72.52, 105.91)
Copy-ready code for Turquoise1
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: #00F5FF;
background-color: #00F5FF;CSS variable
:root {
--color-turquoise1: #00F5FF;
}Tailwind config
// tailwind.config.js
colors: {
'turquoise1': '#00F5FF',
}Sass
$color-turquoise1: #00F5FF;Swift UIColor
UIColor(red: 0.000, green: 0.961, blue: 1.000, alpha: 1.0)Android XML
<color name="turquoise1">#00F5FF</color>Closest match in every color system
The nearest Turquoise1 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 9003
#F4F4F4
Signal white
RAL 9016
#F6F6F6
Traffic white
FAQ about Turquoise1
What is the HEX code for Turquoise1?
Turquoise1 (turquoise1) has the HEX code #00F5FF. In RGB it is rgb(0, 245, 255), and in CMYK it is cmyk(100%, 4%, 0%, 0%).
What is the OKLCH value of Turquoise1?
Turquoise1 converts to oklch(0.882 0.150 200.1). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Turquoise1 accessible for body text?
Used as a background, Turquoise1 has a contrast ratio of 15.50:1 with black text and 1.35:1 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 Turquoise1?
The closest Pantone reference to Turquoise1 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 Turquoise1?
The closest RAL Classic reference to Turquoise1 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 Turquoise1?
The complementary color (180° opposite on the HSL color wheel) of Turquoise1 is #FF0900. 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.