#51BBAB#51BBAB

#51BBAB is a light, moderate teal. Relative luminance 0.402; OKLCH L 72.6% C 0.101 H 182.0°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#51BBAB
RGB	rgb(81, 187, 171)
HSL	hsl(171, 44%, 53%)
HSV	hsv(171, 57%, 73%)
CMYK	cmyk(56.7%, 0%, 8.6%, 26.7%)
CIE-LAB	lab(69.63, -34.40, -1.09)
CIE-LCH	lch(69.63, 34.41, 181.82°)
OKLab	oklab(72.56% -0.1006 -0.0035)
OKLCH	oklch(72.56% 0.101 182)
XYZ	xyz(28.5111, 40.2275, 44.7823)
Luminance	0.4023 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BBAB #BB5161

analogous

#51BB76 #51BBAB #5196BB

triadic

#51BBAB #AB51BB #BBAB51

tetradic

#51BBAB #7651BB #BB5161 #96BB51

square

#51BBAB #7651BB #BB5161 #96BB51

split-complementary

#51BBAB #BB5196 #BB7651

monochromatic

#29695F #3A9587 #51BBAB #7DCCC0 #A9DDD5

Accessibility & contrast

On white

2.32

#51BBAB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#51BBAB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BBAB

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BBAB	#FFFFFF	#000000	##000000
##51BBAB	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3B1AA

Deuteranopia (green-blind)

#A3A5AC

Tritanopia (blue-blind)

#00BEB6

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51bbab;
/* rgb */ color: rgb(81, 187, 171);
/* oklch */ color: oklch(72.6% 0.101 182.0);

Tailwind

colors: {
  custom: {
    50: '#8cd0c4',
    500: '#51bbab',
    950: '#000000',
  },
}

SCSS

$custom: #51bbab;
$custom-light: #8cd0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#51bbab",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 171
  },
  "hsl": {
    "h": 170.943,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.72561,
    "c": 0.10068,
    "h": 182
  },
  "luminance": 0.4023
}

Semantic roles & 50–950 ramp

primary

#51BBAB

secondary

#CB9DA4

accent

#5467D4

background

#F9FCFC

surface

#F1F9F8

border

#CBD2D1

text

#0D1412

muted

#7E8281

Preview Lab

Preview with #51BBAB

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

Preview Lab → · Contrast checker → · Palette generator →