#51EAEF#51EAEF

#51EAEF is a very light, vivid teal. Relative luminance 0.668; OKLCH L 86.0% C 0.126 H 198.2°. Best body text is #000000 at 14.37:1 contrast (WCAG AA passes).

Color values

HEX	#51EAEF
RGB	rgb(81, 234, 239)
HSL	hsl(182, 83%, 63%)
HSV	hsv(182, 66%, 94%)
CMYK	cmyk(66.1%, 2.1%, 0%, 6.3%)
CIE-LAB	lab(85.41, -37.88, -14.22)
CIE-LCH	lch(85.41, 40.46, 200.58°)
OKLab	oklab(86% -0.1198 -0.0394)
OKLCH	oklch(86% 0.126 198.2)
XYZ	xyz(48.3892, 66.8215, 91.9922)
Luminance	0.6683 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EAEF #EF5651

analogous

#51EFA5 #51EAEF #519BEF

triadic

#51EAEF #EF51EA #EAEF51

tetradic

#51EAEF #A551EF #EF5651 #9BEF51

square

#51EAEF #A551EF #EF5651 #9BEF51

split-complementary

#51EAEF #EF519B #EFA551

monochromatic

#11B0B5 #19E3EA #51EAEF #89F1F4 #C1F8F9

Accessibility & contrast

On white

1.46

#51EAEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.37

#51EAEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EAEF

14.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EAEF	#FFFFFF	#000000	##000000
##51EAEF	1.00	1.46	14.37	14.37
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.37	21.00	1.00	1.00
##000000	14.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAE0F0

Deuteranopia (green-blind)

#C2CEF0

Tritanopia (blue-blind)

#00F2EB

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #51eaef;
/* rgb */ color: rgb(81, 234, 239);
/* oklch */ color: oklch(86.0% 0.126 198.2);

Tailwind

colors: {
  custom: {
    50: '#96f1f4',
    500: '#51eaef',
    950: '#000000',
  },
}

SCSS

$custom: #51eaef;
$custom-light: #96f1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#51eaef",
  "rgb": {
    "r": 81,
    "g": 234,
    "b": 239
  },
  "hsl": {
    "h": 181.899,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.85995,
    "c": 0.12617,
    "h": 198.2
  },
  "luminance": 0.66827
}

Semantic roles & 50–950 ramp

primary

#51EAEF

secondary

#B53430

accent

#0D06E0

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1717

muted

#808585

Preview Lab

Preview with #51EAEF

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

Preview Lab → · Contrast checker → · Palette generator →