#51CB9F#51CB9F

#51CB9F is a light, vivid teal. Relative luminance 0.470; OKLCH L 76.2% C 0.127 H 166.1°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#51CB9F
RGB	rgb(81, 203, 159)
HSL	hsl(158, 54%, 56%)
HSV	hsv(158, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 21.7%, 20.4%)
CIE-LAB	lab(74.17, -44.45, 11.95)
CIE-LCH	lch(74.17, 46.03, 164.95°)
OKLab	oklab(76.15% -0.1234 0.0306)
OKLCH	oklch(76.15% 0.127 166.1)
XYZ	xyz(31.0042, 46.9613, 40.2247)
Luminance	0.4696 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB9F #CB517D

analogous

#51CB62 #51CB9F #51BACB

triadic

#51CB9F #9F51CB #CB9F51

tetradic

#51CB9F #6251CB #CB517D #BACB51

square

#51CB9F #6251CB #CB517D #BACB51

split-complementary

#51CB9F #CB51BA #CB6251

monochromatic

#257C5D #33AC80 #51CB9F #80D9B9 #AFE7D3

Accessibility & contrast

On white

2.02

#51CB9F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.39

#51CB9F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB9F

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB9F	#FFFFFF	#000000	##000000
##51CB9F	1.00	2.02	10.39	10.39
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.39	21.00	1.00	1.00
##000000	10.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7BE9D

Deuteranopia (green-blind)

#B6B1A2

Tritanopia (blue-blind)

#00CCBF

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51cb9f;
/* rgb */ color: rgb(81, 203, 159);
/* oklch */ color: oklch(76.2% 0.127 166.1);

Tailwind

colors: {
  custom: {
    50: '#8ddbbb',
    500: '#51cb9f',
    950: '#000000',
  },
}

SCSS

$custom: #51cb9f;
$custom-light: #8ddbbb;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb9f",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 159
  },
  "hsl": {
    "h": 158.361,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.76153,
    "c": 0.12714,
    "h": 166.1
  },
  "luminance": 0.46964
}

Semantic roles & 50–950 ramp

primary

#51CB9F

secondary

#D5A3B5

accent

#4A7FDD

background

#F9FDFB

surface

#F1FBF6

border

#CBD4D0

text

#0D1511

muted

#7E8380

Preview Lab

Preview with #51CB9F

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

Preview Lab → · Contrast checker → · Palette generator →