#51D8CE#51D8CE

#51D8CE is a light, moderate teal. Relative luminance 0.553; OKLCH L 80.7% C 0.117 H 188.2°. Best body text is #000000 at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#51D8CE
RGB	rgb(81, 216, 206)
HSL	hsl(176, 63%, 58%)
HSV	hsv(176, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 4.6%, 15.3%)
CIE-LAB	lab(79.22, -38.62, -5.93)
CIE-LCH	lch(79.22, 39.08, 188.74°)
OKLab	oklab(80.66% -0.1158 -0.0167)
OKLCH	oklch(80.66% 0.117 188.2)
XYZ	xyz(39.0847, 55.3131, 66.9972)
Luminance	0.5532 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8CE #D8515B

analogous

#51D88B #51D8CE #519ED8

triadic

#51D8CE #CE51D8 #D8CE51

tetradic

#51D8CE #8B51D8 #D8515B #9ED851

square

#51D8CE #8B51D8 #D8515B #9ED851

split-complementary

#51D8CE #D8519E #D88B51

monochromatic

#208F86 #2BC1B6 #51D8CE #83E3DC #B5EEEA

Accessibility & contrast

On white

1.74

#51D8CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.06

#51D8CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8CE

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8CE	#FFFFFF	#000000	##000000
##51D8CE	1.00	1.74	12.06	12.06
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.06	21.00	1.00	1.00
##000000	12.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDCDCE

Deuteranopia (green-blind)

#B8BECF

Tritanopia (blue-blind)

#00DDD5

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51d8ce;
/* rgb */ color: rgb(81, 216, 206);
/* oklch */ color: oklch(80.7% 0.117 188.2);

Tailwind

colors: {
  custom: {
    50: '#91e4dc',
    500: '#51d8ce',
    950: '#000000',
  },
}

SCSS

$custom: #51d8ce;
$custom-light: #91e4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8ce",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 206
  },
  "hsl": {
    "h": 175.556,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.8066,
    "c": 0.11701,
    "h": 188.2
  },
  "luminance": 0.55317
}

Semantic roles & 50–950 ramp

primary

#51D8CE

secondary

#943940

accent

#414EE6

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51D8CE

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

Preview Lab → · Contrast checker → · Palette generator →