#51BF9F#51BF9F

#51BF9F is a light, moderate teal. Relative luminance 0.415; OKLCH L 73.2% C 0.112 H 171.1°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#51BF9F
RGB	rgb(81, 191, 159)
HSL	hsl(163, 46%, 53%)
HSV	hsv(163, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 16.8%, 25.1%)
CIE-LAB	lab(70.53, -39.19, 6.78)
CIE-LCH	lch(70.53, 39.77, 170.19°)
OKLab	oklab(73.19% -0.1105 0.0173)
OKLCH	oklch(73.19% 0.112 171.1)
XYZ	xyz(28.2792, 41.5114, 39.3164)
Luminance	0.4151 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF9F #BF5171

analogous

#51BF68 #51BF9F #51A8BF

triadic

#51BF9F #9F51BF #BF9F51

tetradic

#51BF9F #6851BF #BF5171 #A8BF51

square

#51BF9F #6851BF #BF5171 #A8BF51

split-complementary

#51BF9F #BF51A8 #BF6851

monochromatic

#286D59 #399A7E #51BF9F #7ECFB8 #AAE0D0

Accessibility & contrast

On white

2.26

#51BF9F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#51BF9F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF9F

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF9F	#FFFFFF	#000000	##000000
##51BF9F	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAB39D

Deuteranopia (green-blind)

#AAA8A1

Tritanopia (blue-blind)

#04C0B6

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51bf9f;
/* rgb */ color: rgb(81, 191, 159);
/* oklch */ color: oklch(73.2% 0.112 171.1);

Tailwind

colors: {
  custom: {
    50: '#8cd3bb',
    500: '#51bf9f',
    950: '#000000',
  },
}

SCSS

$custom: #51bf9f;
$custom-light: #8cd3bb;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf9f",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 159
  },
  "hsl": {
    "h": 162.545,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.73192,
    "c": 0.11181,
    "h": 171.1
  },
  "luminance": 0.41514
}

Semantic roles & 50–950 ramp

primary

#51BF9F

secondary

#CE9EAC

accent

#5278D6

background

#F9FDFB

surface

#F1FAF6

border

#CBD3D0

text

#0D1411

muted

#7E8380

Preview Lab

Preview with #51BF9F

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

Preview Lab → · Contrast checker → · Palette generator →