#51E4E8#51E4E8

#51E4E8 is a very light, vivid teal. Relative luminance 0.631; OKLCH L 84.4% C 0.123 H 197.7°. Best body text is #000000 at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#51E4E8
RGB	rgb(81, 228, 232)
HSL	hsl(182, 77%, 61%)
HSV	hsv(182, 65%, 91%)
CMYK	cmyk(65.1%, 1.7%, 0%, 9%)
CIE-LAB	lab(83.47, -37.06, -13.44)
CIE-LCH	lch(83.47, 39.42, 199.92°)
OKLab	oklab(84.36% -0.1168 -0.0373)
OKLCH	oklch(84.36% 0.123 197.7)
XYZ	xyz(45.6958, 63.0572, 86.0913)
Luminance	0.6306 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E4E8 #E85551

analogous

#51E8A1 #51E4E8 #5199E8

triadic

#51E4E8 #E851E4 #E4E851

tetradic

#51E4E8 #A151E8 #E85551 #99E851

square

#51E4E8 #A151E8 #E85551 #99E851

split-complementary

#51E4E8 #E85199 #E8A151

monochromatic

#16A4A8 #1DD9DE #51E4E8 #87ECEF #BDF5F6

Accessibility & contrast

On white

1.54

#51E4E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.61

#51E4E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4E8

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E4E8	#FFFFFF	#000000	##000000
##51E4E8	1.00	1.54	13.61	13.61
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.61	21.00	1.00	1.00
##000000	13.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5DAE9

Deuteranopia (green-blind)

#BEC9E9

Tritanopia (blue-blind)

#00ECE5

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51e4e8;
/* rgb */ color: rgb(81, 228, 232);
/* oklch */ color: oklch(84.4% 0.123 197.7);

Tailwind

colors: {
  custom: {
    50: '#94edef',
    500: '#51e4e8',
    950: '#000000',
  },
}

SCSS

$custom: #51e4e8;
$custom-light: #94edef;
$custom-dark: #000000;

JSON

{
  "hex": "#51e4e8",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 232
  },
  "hsl": {
    "h": 181.589,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.84355,
    "c": 0.12264,
    "h": 197.7
  },
  "luminance": 0.63062
}

Semantic roles & 50–950 ramp

primary

#51E4E8

secondary

#AA3633

accent

#120DD9

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #51E4E8

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

Preview Lab → · Contrast checker → · Palette generator →