#81CEF0#81CEF0

#81CEF0 is a light, moderate cyan. Relative luminance 0.551; OKLCH L 81.4% C 0.090 H 228.0°. Best body text is #000000 at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#81CEF0
RGB	rgb(129, 206, 240)
HSL	hsl(198, 79%, 72%)
HSV	hsv(198, 46%, 94%)
CMYK	cmyk(46.3%, 14.2%, 0%, 5.9%)
CIE-LAB	lab(79.10, -14.94, -24.14)
CIE-LCH	lch(79.10, 28.39, 238.24°)
OKLab	oklab(81.38% -0.0602 -0.0668)
OKLCH	oklch(81.38% 0.09 228)
XYZ	xyz(46.8471, 55.0975, 90.5874)
Luminance	0.5510 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CEF0 #F0A381

analogous

#81F0DA #81CEF0 #8197F0

triadic

#81CEF0 #F081CE #CEF081

tetradic

#81CEF0 #DA81F0 #F0A381 #97F081

square

#81CEF0 #DA81F0 #F0A381 #97F081

split-complementary

#81CEF0 #F08197 #F0DA81

monochromatic

#1AA1DC #4AB9E9 #81CEF0 #B8E3F7 #E4F4FC

Accessibility & contrast

On white

1.75

#81CEF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.02

#81CEF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CEF0

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CEF0	#FFFFFF	#000000	##000000
##81CEF0	1.00	1.75	12.02	12.02
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.02	21.00	1.00	1.00
##000000	12.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCBF2

Deuteranopia (green-blind)

#ACBEF0

Tritanopia (blue-blind)

#4CD8D9

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #81cef0;
/* rgb */ color: rgb(129, 206, 240);
/* oklch */ color: oklch(81.4% 0.090 228.0);

Tailwind

colors: {
  custom: {
    50: '#abddf5',
    500: '#81cef0',
    950: '#000000',
  },
}

SCSS

$custom: #81cef0;
$custom-light: #abddf5;
$custom-dark: #000000;

JSON

{
  "hex": "#81cef0",
  "rgb": {
    "r": 129,
    "g": 206,
    "b": 240
  },
  "hsl": {
    "h": 198.378,
    "s": 78.723,
    "l": 72.353
  },
  "oklch": {
    "l": 0.81375,
    "c": 0.08991,
    "h": 228
  },
  "luminance": 0.55101
}

Semantic roles & 50–950 ramp

primary

#81CEF0

secondary

#CB724A

accent

#4A0ADB

background

#FDFEFF

surface

#F7FCFE

border

#D0D5D6

text

#101517

muted

#818485

Preview Lab

Preview with #81CEF0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →