#51D9CE#51D9CE

#51D9CE is a light, moderate teal. Relative luminance 0.558; OKLCH L 80.9% C 0.118 H 187.6°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#51D9CE
RGB	rgb(81, 217, 206)
HSL	hsl(175, 64%, 58%)
HSV	hsv(175, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 5.1%, 14.9%)
CIE-LAB	lab(79.52, -39.08, -5.50)
CIE-LCH	lch(79.52, 39.46, 188.01°)
OKLab	oklab(80.9% -0.1168 -0.0155)
OKLCH	oklch(80.9% 0.118 187.6)
XYZ	xyz(39.3417, 55.8270, 67.0829)
Luminance	0.5583 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9CE #D9515C

analogous

#51D98A #51D9CE #51A0D9

triadic

#51D9CE #CE51D9 #D9CE51

tetradic

#51D9CE #8A51D9 #D9515C #A0D951

square

#51D9CE #8A51D9 #D9515C #A0D951

split-complementary

#51D9CE #D951A0 #D98A51

monochromatic

#1F9087 #2AC2B6 #51D9CE #83E4DC #B5EFEA

Accessibility & contrast

On white

1.73

#51D9CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.17

#51D9CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9CE

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9CE	#FFFFFF	#000000	##000000
##51D9CE	1.00	1.73	12.17	12.17
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.17	21.00	1.00	1.00
##000000	12.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECECE

Deuteranopia (green-blind)

#B9BFCF

Tritanopia (blue-blind)

#00DED5

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d9ce;
/* rgb */ color: rgb(81, 217, 206);
/* oklch */ color: oklch(80.9% 0.118 187.6);

Tailwind

colors: {
  custom: {
    50: '#91e5dc',
    500: '#51d9ce',
    950: '#000000',
  },
}

SCSS

$custom: #51d9ce;
$custom-light: #91e5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9ce",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 206
  },
  "hsl": {
    "h": 175.147,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80899,
    "c": 0.11786,
    "h": 187.6
  },
  "luminance": 0.55831
}

Semantic roles & 50–950 ramp

primary

#51D9CE

secondary

#953940

accent

#414EE7

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51D9CE

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

Preview Lab → · Contrast checker → · Palette generator →