#51C8BB#51C8BB

#51C8BB is a light, moderate teal. Relative luminance 0.466; OKLCH L 76.2% C 0.108 H 185.3°. Best body text is #000000 at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#51C8BB
RGB	rgb(81, 200, 187)
HSL	hsl(173, 52%, 55%)
HSV	hsv(173, 60%, 78%)
CMYK	cmyk(59.5%, 0%, 6.5%, 21.6%)
CIE-LAB	lab(73.96, -36.29, -3.47)
CIE-LCH	lch(73.96, 36.46, 185.46°)
OKLab	oklab(76.22% -0.1075 -0.0099)
OKLCH	oklch(76.22% 0.108 185.3)
XYZ	xyz(33.0132, 46.6423, 54.2671)
Luminance	0.4665 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C8BB #C8515E

analogous

#51C87F #51C8BB #519AC8

triadic

#51C8BB #BB51C8 #C8BB51

tetradic

#51C8BB #7F51C8 #C8515E #9AC851

square

#51C8BB #7F51C8 #C8515E #9AC851

split-complementary

#51C8BB #C8519A #C87F51

monochromatic

#267970 #35A79B #51C8BB #80D7CD #AEE5DF

Accessibility & contrast

On white

2.03

#51C8BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.33

#51C8BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8BB

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C8BB	#FFFFFF	#000000	##000000
##51C8BB	1.00	2.03	10.33	10.33
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.33	21.00	1.00	1.00
##000000	10.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFBEBB

Deuteranopia (green-blind)

#ACB0BC

Tritanopia (blue-blind)

#00CCC4

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51c8bb;
/* rgb */ color: rgb(81, 200, 187);
/* oklch */ color: oklch(76.2% 0.108 185.3);

Tailwind

colors: {
  custom: {
    50: '#8ed9cf',
    500: '#51c8bb',
    950: '#000000',
  },
}

SCSS

$custom: #51c8bb;
$custom-light: #8ed9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#51c8bb",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 187
  },
  "hsl": {
    "h": 173.445,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.76217,
    "c": 0.10795,
    "h": 185.3
  },
  "luminance": 0.46646
}

Semantic roles & 50–950 ramp

primary

#51C8BB

secondary

#D3A1A7

accent

#4C5CDB

background

#F9FDFC

surface

#F2FAF9

border

#CCD3D2

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #51C8BB

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

Preview Lab → · Contrast checker → · Palette generator →