#51CEEE#51CEEE

#51CEEE is a light, moderate cyan. Relative luminance 0.521; OKLCH L 79.5% C 0.117 H 218.0°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#51CEEE
RGB	rgb(81, 206, 238)
HSL	hsl(192, 82%, 63%)
HSV	hsv(192, 66%, 93%)
CMYK	cmyk(66%, 13.4%, 0%, 6.7%)
CIE-LAB	lab(77.32, -24.77, -25.94)
CIE-LCH	lch(77.32, 35.87, 226.32°)
OKLab	oklab(79.46% -0.0926 -0.0723)
OKLCH	oklch(79.46% 0.118 218)
XYZ	xyz(40.8909, 52.0605, 88.7660)
Luminance	0.5206 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CEEE #EE7151

analogous

#51EEBF #51CEEE #5180EE

triadic

#51CEEE #EE51CE #CEEE51

tetradic

#51CEEE #BF51EE #EE7151 #80EE51

square

#51CEEE #BF51EE #EE7151 #80EE51

split-complementary

#51CEEE #EE5180 #EEBF51

monochromatic

#1192B3 #19BEE9 #51CEEE #89DEF3 #C1EDF9

Accessibility & contrast

On white

1.84

#51CEEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#51CEEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CEEE

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CEEE	#FFFFFF	#000000	##000000
##51CEEE	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C8F0

Deuteranopia (green-blind)

#A3B8EE

Tritanopia (blue-blind)

#00D9D8

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51ceee;
/* rgb */ color: rgb(81, 206, 238);
/* oklch */ color: oklch(79.5% 0.117 218.0);

Tailwind

colors: {
  custom: {
    50: '#93ddf3',
    500: '#51ceee',
    950: '#000000',
  },
}

SCSS

$custom: #51ceee;
$custom-light: #93ddf3;
$custom-dark: #000000;

JSON

{
  "hex": "#51ceee",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 238
  },
  "hsl": {
    "h": 192.229,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.79456,
    "c": 0.1175,
    "h": 218
  },
  "luminance": 0.52065
}

Semantic roles & 50–950 ramp

primary

#51CEEE

secondary

#B34B30

accent

#3307DF

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1517

muted

#7F8485

Preview Lab

Preview with #51CEEE

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

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