#51E0EA#51E0EA

#51E0EA is a very light, vivid teal. Relative luminance 0.610; OKLCH L 83.5% C 0.121 H 201.8°. Best body text is #000000 at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#51E0EA
RGB	rgb(81, 224, 234)
HSL	hsl(184, 78%, 62%)
HSV	hsv(184, 65%, 92%)
CMYK	cmyk(65.4%, 4.3%, 0%, 8.2%)
CIE-LAB	lab(82.38, -34.65, -16.14)
CIE-LCH	lch(82.38, 38.22, 204.98°)
OKLab	oklab(83.49% -0.1121 -0.0447)
OKLCH	oklch(83.49% 0.121 201.8)
XYZ	xyz(44.8938, 60.9961, 87.2334)
Luminance	0.6100 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E0EA #EA5B51

analogous

#51EAA8 #51E0EA #5193EA

triadic

#51E0EA #EA51E0 #E0EA51

tetradic

#51E0EA #A851EA #EA5B51 #93EA51

square

#51E0EA #A851EA #EA5B51 #93EA51

split-complementary

#51E0EA #EA5193 #EAA851

monochromatic

#15A2AC #1BD5E2 #51E0EA #88EAF1 #BEF3F7

Accessibility & contrast

On white

1.59

#51E0EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.20

#51E0EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E0EA

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E0EA	#FFFFFF	#000000	##000000
##51E0EA	1.00	1.59	13.20	13.20
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.20	21.00	1.00	1.00
##000000	13.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0D7EB

Deuteranopia (green-blind)

#B9C6EB

Tritanopia (blue-blind)

#00E8E3

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e0ea;
/* rgb */ color: rgb(81, 224, 234);
/* oklch */ color: oklch(83.5% 0.121 201.8);

Tailwind

colors: {
  custom: {
    50: '#94eaf0',
    500: '#51e0ea',
    950: '#000000',
  },
}

SCSS

$custom: #51e0ea;
$custom-light: #94eaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e0ea",
  "rgb": {
    "r": 81,
    "g": 224,
    "b": 234
  },
  "hsl": {
    "h": 183.922,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.83488,
    "c": 0.12067,
    "h": 201.8
  },
  "luminance": 0.61001
}

Semantic roles & 50–950 ramp

primary

#51E0EA

secondary

#AD3A32

accent

#180BDB

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #51E0EA

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

Preview Lab → · Contrast checker → · Palette generator →