#51D9BE#51D9BE

#51D9BE is a light, vivid teal. Relative luminance 0.551; OKLCH L 80.4% C 0.124 H 177.3°. Best body text is #000000 at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#51D9BE
RGB	rgb(81, 217, 190)
HSL	hsl(168, 64%, 58%)
HSV	hsv(168, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 12.4%, 14.9%)
CIE-LAB	lab(79.09, -43.17, 2.42)
CIE-LCH	lch(79.09, 43.24, 176.79°)
OKLab	oklab(80.42% -0.1239 0.0058)
OKLCH	oklch(80.42% 0.124 177.3)
XYZ	xyz(37.4960, 55.0887, 57.3623)
Luminance	0.5509 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9BE #D9516C

analogous

#51D97A #51D9BE #51B0D9

triadic

#51D9BE #BE51D9 #D9BE51

tetradic

#51D9BE #7A51D9 #D9516C #B0D951

square

#51D9BE #7A51D9 #D9516C #B0D951

split-complementary

#51D9BE #D951B0 #D97A51

monochromatic

#1F907A #2AC2A4 #51D9BE #83E4D1 #B5EFE4

Accessibility & contrast

On white

1.75

#51D9BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.02

#51D9BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9BE

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9BE	#FFFFFF	#000000	##000000
##51D9BE	1.00	1.75	12.02	12.02
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.02	21.00	1.00	1.00
##000000	12.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1CCBD

Deuteranopia (green-blind)

#BDBEC0

Tritanopia (blue-blind)

#00DCD1

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51d9be;
/* rgb */ color: rgb(81, 217, 190);
/* oklch */ color: oklch(80.4% 0.124 177.3);

Tailwind

colors: {
  custom: {
    50: '#90e5d1',
    500: '#51d9be',
    950: '#000000',
  },
}

SCSS

$custom: #51d9be;
$custom-light: #90e5d1;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9be",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 190
  },
  "hsl": {
    "h": 168.088,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80415,
    "c": 0.12404,
    "h": 177.3
  },
  "luminance": 0.55093
}

Semantic roles & 50–950 ramp

primary

#51D9BE

secondary

#95394B

accent

#4162E7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51D9BE

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

Preview Lab → · Contrast checker → · Palette generator →