#51D4BF#51D4BF

#51D4BF is a light, moderate teal. Relative luminance 0.526; OKLCH L 79.2% C 0.118 H 180.6°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#51D4BF
RGB	rgb(81, 212, 191)
HSL	hsl(170, 60%, 57%)
HSV	hsv(170, 62%, 83%)
CMYK	cmyk(61.8%, 0%, 9.9%, 16.9%)
CIE-LAB	lab(77.63, -40.71, -0.24)
CIE-LCH	lch(77.63, 40.71, 180.33°)
OKLab	oklab(79.24% -0.1183 -0.0013)
OKLCH	oklch(79.24% 0.118 180.6)
XYZ	xyz(36.3364, 52.5940, 57.5168)
Luminance	0.5260 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4BF #D45166

analogous

#51D47E #51D4BF #51A7D4

triadic

#51D4BF #BF51D4 #D4BF51

tetradic

#51D4BF #7E51D4 #D45166 #A7D451

square

#51D4BF #7E51D4 #D45166 #A7D451

split-complementary

#51D4BF #D451A7 #D47E51

monochromatic

#228978 #2EBAA3 #51D4BF #82E0D1 #B3ECE3

Accessibility & contrast

On white

1.82

#51D4BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.52

#51D4BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4BF

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4BF	#FFFFFF	#000000	##000000
##51D4BF	1.00	1.82	11.52	11.52
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.52	21.00	1.00	1.00
##000000	11.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBC8BE

Deuteranopia (green-blind)

#B8BAC1

Tritanopia (blue-blind)

#00D8CE

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d4bf;
/* rgb */ color: rgb(81, 212, 191);
/* oklch */ color: oklch(79.2% 0.118 180.6);

Tailwind

colors: {
  custom: {
    50: '#90e2d2',
    500: '#51d4bf',
    950: '#000000',
  },
}

SCSS

$custom: #51d4bf;
$custom-light: #90e2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4bf",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 191
  },
  "hsl": {
    "h": 170.382,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.79237,
    "c": 0.11831,
    "h": 180.6
  },
  "luminance": 0.52598
}

Semantic roles & 50–950 ramp

primary

#51D4BF

secondary

#8F3A48

accent

#445EE4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D4BF

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

Preview Lab → · Contrast checker → · Palette generator →