#51B2AB#51B2AB

#51B2AB is a light, moderate teal. Relative luminance 0.365; OKLCH L 70.4% C 0.092 H 188.9°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#51B2AB
RGB	rgb(81, 178, 171)
HSL	hsl(176, 39%, 51%)
HSV	hsv(176, 54%, 70%)
CMYK	cmyk(54.5%, 0%, 3.9%, 30.2%)
CIE-LAB	lab(66.92, -30.12, -5.08)
CIE-LCH	lch(66.92, 30.54, 189.58°)
OKLab	oklab(70.37% -0.0907 -0.0142)
OKLCH	oklch(70.37% 0.092 188.9)
XYZ	xyz(26.6613, 36.5278, 44.1657)
Luminance	0.3653 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B2AB #B25158

analogous

#51B27A #51B2AB #5188B2

triadic

#51B2AB #AB51B2 #B2AB51

tetradic

#51B2AB #7A51B2 #B25158 #88B251

square

#51B2AB #7A51B2 #B25158 #88B251

split-complementary

#51B2AB #B25188 #B27A51

monochromatic

#2A5F5B #3D8984 #51B2AB #7BC5BF #A6D8D4

Accessibility & contrast

On white

2.53

#51B2AB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#51B2AB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B2AB

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B2AB	#FFFFFF	#000000	##000000
##51B2AB	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9AAAB

Deuteranopia (green-blind)

#999EAC

Tritanopia (blue-blind)

#00B6B0

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51b2ab;
/* rgb */ color: rgb(81, 178, 171);
/* oklch */ color: oklch(70.4% 0.092 188.9);

Tailwind

colors: {
  custom: {
    50: '#8bc9c4',
    500: '#51b2ab',
    950: '#000000',
  },
}

SCSS

$custom: #51b2ab;
$custom-light: #8bc9c4;
$custom-dark: #000000;

JSON

{
  "hex": "#51b2ab",
  "rgb": {
    "r": 81,
    "g": 178,
    "b": 171
  },
  "hsl": {
    "h": 175.67,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.70367,
    "c": 0.09177,
    "h": 188.9
  },
  "luminance": 0.3653
}

Semantic roles & 50–950 ramp

primary

#51B2AB

secondary

#C59A9D

accent

#5962CF

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0D1312

muted

#7D8281

Preview Lab

Preview with #51B2AB

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

Preview Lab → · Contrast checker → · Palette generator →