#51E9CB#51E9CB

#51E9CB is a very light, vivid teal. Relative luminance 0.643; OKLCH L 84.6% C 0.135 H 177.1°. Best body text is #000000 at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#51E9CB
RGB	rgb(81, 233, 203)
HSL	hsl(168, 78%, 62%)
HSV	hsv(168, 65%, 91%)
CMYK	cmyk(65.2%, 0%, 12.9%, 8.6%)
CIE-LAB	lab(84.14, -46.89, 2.86)
CIE-LCH	lch(84.14, 46.98, 176.51°)
OKLab	oklab(84.63% -0.1343 0.0069)
OKLCH	oklch(84.63% 0.135 177.1)
XYZ	xyz(43.3065, 64.3342, 66.6237)
Luminance	0.6434 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E9CB #E9516F

analogous

#51E97F #51E9CB #51BBE9

triadic

#51E9CB #CB51E9 #E9CB51

tetradic

#51E9CB #7F51E9 #E9516F #BBE951

square

#51E9CB #7F51E9 #E9516F #BBE951

split-complementary

#51E9CB #E951BB #E97F51

monochromatic

#16AA8D #1CE0BA #51E9CB #87F0DB #BEF7EB

Accessibility & contrast

On white

1.51

#51E9CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.87

#51E9CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E9CB

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E9CB	#FFFFFF	#000000	##000000
##51E9CB	1.00	1.51	13.87	13.87
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.87	21.00	1.00	1.00
##000000	13.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0DBCA

Deuteranopia (green-blind)

#CBCBCD

Tritanopia (blue-blind)

#00ECE0

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #51e9cb;
/* rgb */ color: rgb(81, 233, 203);
/* oklch */ color: oklch(84.6% 0.135 177.1);

Tailwind

colors: {
  custom: {
    50: '#93f1da',
    500: '#51e9cb',
    950: '#000000',
  },
}

SCSS

$custom: #51e9cb;
$custom-light: #93f1da;
$custom-dark: #000000;

JSON

{
  "hex": "#51e9cb",
  "rgb": {
    "r": 81,
    "g": 233,
    "b": 203
  },
  "hsl": {
    "h": 168.158,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.84634,
    "c": 0.1345,
    "h": 177.1
  },
  "luminance": 0.64339
}

Semantic roles & 50–950 ramp

primary

#51E9CB

secondary

#AB334B

accent

#0C34DA

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1714

muted

#7F8583

Preview Lab

Preview with #51E9CB

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

Preview Lab → · Contrast checker → · Palette generator →