#51D3CE#51D3CE

#51D3CE is a light, moderate teal. Relative luminance 0.528; OKLCH L 79.5% C 0.113 H 191.5°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#51D3CE
RGB	rgb(81, 211, 206)
HSL	hsl(178, 60%, 57%)
HSV	hsv(178, 62%, 83%)
CMYK	cmyk(61.6%, 0%, 2.4%, 17.3%)
CIE-LAB	lab(77.75, -36.33, -8.11)
CIE-LCH	lch(77.75, 37.22, 192.59°)
OKLab	oklab(79.47% -0.1107 -0.0226)
OKLCH	oklch(79.47% 0.113 191.5)
XYZ	xyz(37.8232, 52.7900, 66.5767)
Luminance	0.5279 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D3CE #D35156

analogous

#51D38D #51D3CE #5197D3

triadic

#51D3CE #CE51D3 #D3CE51

tetradic

#51D3CE #8D51D3 #D35156 #97D351

square

#51D3CE #8D51D3 #D35156 #97D351

split-complementary

#51D3CE #D35197 #D38D51

monochromatic

#228783 #2FB8B3 #51D3CE #82DFDC #B3ECEA

Accessibility & contrast

On white

1.82

#51D3CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.56

#51D3CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3CE

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D3CE	#FFFFFF	#000000	##000000
##51D3CE	1.00	1.82	11.56	11.56
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.56	21.00	1.00	1.00
##000000	11.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7C9CE

Deuteranopia (green-blind)

#B3BACF

Tritanopia (blue-blind)

#00D9D1

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d3ce;
/* rgb */ color: rgb(81, 211, 206);
/* oklch */ color: oklch(79.5% 0.113 191.5);

Tailwind

colors: {
  custom: {
    50: '#91e1dc',
    500: '#51d3ce',
    950: '#000000',
  },
}

SCSS

$custom: #51d3ce;
$custom-light: #91e1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51d3ce",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 206
  },
  "hsl": {
    "h": 177.692,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.79468,
    "c": 0.11298,
    "h": 191.5
  },
  "luminance": 0.52794
}

Semantic roles & 50–950 ramp

primary

#51D3CE

secondary

#8E3A3E

accent

#454BE3

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D3CE

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

Preview Lab → · Contrast checker → · Palette generator →