#51BFBB#51BFBB

#51BFBB is a light, moderate teal. Relative luminance 0.426; OKLCH L 74.0% C 0.100 H 191.9°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#51BFBB
RGB	rgb(81, 191, 187)
HSL	hsl(178, 46%, 53%)
HSV	hsv(178, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 2.1%, 25.1%)
CIE-LAB	lab(71.28, -32.07, -7.43)
CIE-LCH	lch(71.28, 32.92, 193.04°)
OKLab	oklab(74.05% -0.0979 -0.0207)
OKLCH	oklch(74.05% 0.1 191.9)
XYZ	xyz(30.9899, 42.5957, 53.5927)
Luminance	0.4260 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFBB #BF5155

analogous

#51BF84 #51BFBB #518CBF

triadic

#51BFBB #BB51BF #BFBB51

tetradic

#51BFBB #8451BF #BF5155 #8CBF51

square

#51BFBB #8451BF #BF5155 #8CBF51

split-complementary

#51BFBB #BF518C #BF8451

monochromatic

#286D6B #399A97 #51BFBB #7ECFCC #AAE0DE

Accessibility & contrast

On white

2.21

#51BFBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#51BFBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFBB

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFBB	#FFFFFF	#000000	##000000
##51BFBB	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4B6BB

Deuteranopia (green-blind)

#A3A9BC

Tritanopia (blue-blind)

#00C4BD

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51bfbb;
/* rgb */ color: rgb(81, 191, 187);
/* oklch */ color: oklch(74.0% 0.100 191.9);

Tailwind

colors: {
  custom: {
    50: '#8dd2cf',
    500: '#51bfbb',
    950: '#000000',
  },
}

SCSS

$custom: #51bfbb;
$custom-light: #8dd2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfbb",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 187
  },
  "hsl": {
    "h": 177.818,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.74046,
    "c": 0.10004,
    "h": 191.9
  },
  "luminance": 0.42599
}

Semantic roles & 50–950 ramp

primary

#51BFBB

secondary

#CE9EA0

accent

#5257D6

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BFBB

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

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