#51C8BC#51C8BC

#51C8BC is a light, moderate teal. Relative luminance 0.467; OKLCH L 76.2% C 0.108 H 186.0°. Best body text is #000000 at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#51C8BC
RGB	rgb(81, 200, 188)
HSL	hsl(174, 52%, 55%)
HSV	hsv(174, 60%, 78%)
CMYK	cmyk(59.5%, 0%, 6%, 21.6%)
CIE-LAB	lab(73.99, -36.03, -3.97)
CIE-LCH	lch(73.99, 36.25, 186.28°)
OKLab	oklab(76.25% -0.107 -0.0113)
OKLCH	oklch(76.25% 0.108 186)
XYZ	xyz(33.1207, 46.6853, 54.8329)
Luminance	0.4669 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C8BC #C8515D

analogous

#51C881 #51C8BC #5198C8

triadic

#51C8BC #BC51C8 #C8BC51

tetradic

#51C8BC #8151C8 #C8515D #98C851

square

#51C8BC #8151C8 #C8515D #98C851

split-complementary

#51C8BC #C85198 #C88151

monochromatic

#267970 #35A79B #51C8BC #80D7CE #AEE5E0

Accessibility & contrast

On white

2.03

#51C8BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.34

#51C8BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8BC

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C8BC	#FFFFFF	#000000	##000000
##51C8BC	1.00	2.03	10.34	10.34
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.34	21.00	1.00	1.00
##000000	10.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEBEBC

Deuteranopia (green-blind)

#ACB0BD

Tritanopia (blue-blind)

#00CCC4

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51c8bc;
/* rgb */ color: rgb(81, 200, 188);
/* oklch */ color: oklch(76.2% 0.108 186.0);

Tailwind

colors: {
  custom: {
    50: '#8ed9d0',
    500: '#51c8bc',
    950: '#000000',
  },
}

SCSS

$custom: #51c8bc;
$custom-light: #8ed9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51c8bc",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 188
  },
  "hsl": {
    "h": 173.95,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.76249,
    "c": 0.10764,
    "h": 186
  },
  "luminance": 0.46689
}

Semantic roles & 50–950 ramp

primary

#51C8BC

secondary

#D3A1A6

accent

#4C5BDB

background

#F9FDFC

surface

#F2FAF9

border

#CCD3D2

text

#0D1413

muted

#7E8382

Preview Lab

Preview with #51C8BC

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

Preview Lab → · Contrast checker → · Palette generator →