#51BFBF#51BFBF

#51BFBF is a light, moderate teal. Relative luminance 0.428; OKLCH L 74.2% C 0.100 H 195.2°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#51BFBF
RGB	rgb(81, 191, 191)
HSL	hsl(180, 46%, 53%)
HSV	hsv(180, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 0%, 25.1%)
CIE-LAB	lab(71.40, -30.98, -9.44)
CIE-LCH	lch(71.40, 32.39, 196.95°)
OKLab	oklab(74.18% -0.0961 -0.0262)
OKLCH	oklch(74.18% 0.1 195.2)
XYZ	xyz(31.4241, 42.7693, 55.8794)
Luminance	0.4277 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFBF #BF5151

analogous

#51BF88 #51BFBF #5188BF

triadic

#51BFBF #BF51BF #BFBF51

tetradic

#51BFBF #8851BF #BF5151 #88BF51

square

#51BFBF #8851BF #BF5151 #88BF51

split-complementary

#51BFBF #BF5188 #BF8851

monochromatic

#286D6D #399A9A #51BFBF #7ECFCF #AAE0E0

Accessibility & contrast

On white

2.20

#51BFBF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.55

#51BFBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFBF

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFBF	#FFFFFF	#000000	##000000
##51BFBF	1.00	2.20	9.55	9.55
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.55	21.00	1.00	1.00
##000000	9.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4B7BF

Deuteranopia (green-blind)

#A2A9C0

Tritanopia (blue-blind)

#00C5BF

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51bfbf;
/* rgb */ color: rgb(81, 191, 191);
/* oklch */ color: oklch(74.2% 0.100 195.2);

Tailwind

colors: {
  custom: {
    50: '#8dd2d2',
    500: '#51bfbf',
    950: '#000000',
  },
}

SCSS

$custom: #51bfbf;
$custom-light: #8dd2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfbf",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 191
  },
  "hsl": {
    "h": 180,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.74181,
    "c": 0.09965,
    "h": 195.2
  },
  "luminance": 0.42773
}

Semantic roles & 50–950 ramp

primary

#51BFBF

secondary

#CE9E9E

accent

#5252D6

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1414

muted

#7E8282

Preview Lab

Preview with #51BFBF

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

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