#51BFB5#51BFB5

#51BFB5 is a light, moderate teal. Relative luminance 0.423; OKLCH L 73.8% C 0.101 H 187.0°. Best body text is #000000 at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#51BFB5
RGB	rgb(81, 191, 181)
HSL	hsl(175, 46%, 53%)
HSV	hsv(175, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 5.2%, 25.1%)
CIE-LAB	lab(71.11, -33.67, -4.40)
CIE-LCH	lch(71.11, 33.96, 187.45°)
OKLab	oklab(73.85% -0.1005 -0.0124)
OKLCH	oklch(73.85% 0.101 187)
XYZ	xyz(30.3610, 42.3441, 50.2803)
Luminance	0.4235 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFB5 #BF515B

analogous

#51BF7E #51BFB5 #5192BF

triadic

#51BFB5 #B551BF #BFB551

tetradic

#51BFB5 #7E51BF #BF515B #92BF51

square

#51BFB5 #7E51BF #BF515B #92BF51

split-complementary

#51BFB5 #BF5192 #BF7E51

monochromatic

#286D67 #399A91 #51BFB5 #7ECFC8 #AAE0DB

Accessibility & contrast

On white

2.22

#51BFB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.47

#51BFB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFB5

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFB5	#FFFFFF	#000000	##000000
##51BFB5	1.00	2.22	9.47	9.47
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.47	21.00	1.00	1.00
##000000	9.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6B5B5

Deuteranopia (green-blind)

#A4A9B6

Tritanopia (blue-blind)

#00C3BC

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51bfb5;
/* rgb */ color: rgb(81, 191, 181);
/* oklch */ color: oklch(73.8% 0.101 187.0);

Tailwind

colors: {
  custom: {
    50: '#8dd3cb',
    500: '#51bfb5',
    950: '#000000',
  },
}

SCSS

$custom: #51bfb5;
$custom-light: #8dd3cb;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfb5",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 181
  },
  "hsl": {
    "h": 174.545,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.73849,
    "c": 0.10128,
    "h": 187
  },
  "luminance": 0.42347
}

Semantic roles & 50–950 ramp

primary

#51BFB5

secondary

#CE9EA3

accent

#525ED6

background

#F9FCFC

surface

#F1F9F8

border

#CBD2D1

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BFB5

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

Preview Lab → · Contrast checker → · Palette generator →