#51BBAF#51BBAF

#51BBAF is a light, moderate teal. Relative luminance 0.404; OKLCH L 72.7% C 0.099 H 185.2°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#51BBAF
RGB	rgb(81, 187, 175)
HSL	hsl(173, 44%, 53%)
HSV	hsv(173, 57%, 73%)
CMYK	cmyk(56.7%, 0%, 6.4%, 26.7%)
CIE-LAB	lab(69.74, -33.36, -3.13)
CIE-LCH	lch(69.74, 33.51, 185.36°)
OKLab	oklab(72.69% -0.0988 -0.009)
OKLCH	oklch(72.69% 0.099 185.2)
XYZ	xyz(28.8981, 40.3823, 46.8208)
Luminance	0.4038 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BBAF #BB515D

analogous

#51BB7A #51BBAF #5192BB

triadic

#51BBAF #AF51BB #BBAF51

tetradic

#51BBAF #7A51BB #BB515D #92BB51

square

#51BBAF #7A51BB #BB515D #92BB51

split-complementary

#51BBAF #BB5192 #BB7A51

monochromatic

#296961 #3A958A #51BBAF #7DCCC3 #A9DDD7

Accessibility & contrast

On white

2.31

#51BBAF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.08

#51BBAF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BBAF

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BBAF	#FFFFFF	#000000	##000000
##51BBAF	1.00	2.31	9.08	9.08
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.08	21.00	1.00	1.00
##000000	9.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B2AF

Deuteranopia (green-blind)

#A2A5B0

Tritanopia (blue-blind)

#00BFB7

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51bbaf;
/* rgb */ color: rgb(81, 187, 175);
/* oklch */ color: oklch(72.7% 0.099 185.2);

Tailwind

colors: {
  custom: {
    50: '#8cd0c6',
    500: '#51bbaf',
    950: '#000000',
  },
}

SCSS

$custom: #51bbaf;
$custom-light: #8cd0c6;
$custom-dark: #000000;

JSON

{
  "hex": "#51bbaf",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 175
  },
  "hsl": {
    "h": 173.208,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.72687,
    "c": 0.09924,
    "h": 185.2
  },
  "luminance": 0.40385
}

Semantic roles & 50–950 ramp

primary

#51BBAF

secondary

#CB9DA2

accent

#5463D4

background

#F9FCFC

surface

#F1F9F8

border

#CBD2D1

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BBAF

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

Preview Lab → · Contrast checker → · Palette generator →