#51BFA9#51BFA9

#51BFA9 is a light, moderate teal. Relative luminance 0.419; OKLCH L 73.5% C 0.106 H 177.9°. Best body text is #000000 at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#51BFA9
RGB	rgb(81, 191, 169)
HSL	hsl(168, 46%, 53%)
HSV	hsv(168, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 11.5%, 25.1%)
CIE-LAB	lab(70.78, -36.75, 1.68)
CIE-LCH	lch(70.78, 36.79, 177.38°)
OKLab	oklab(73.48% -0.1059 0.0039)
OKLCH	oklch(73.48% 0.106 177.9)
XYZ	xyz(29.1823, 41.8726, 44.0727)
Luminance	0.4188 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFA9 #BF5167

analogous

#51BF72 #51BFA9 #519EBF

triadic

#51BFA9 #A951BF #BFA951

tetradic

#51BFA9 #7251BF #BF5167 #9EBF51

square

#51BFA9 #7251BF #BF5167 #9EBF51

split-complementary

#51BFA9 #BF519E #BF7251

monochromatic

#286D60 #399A87 #51BFA9 #7ECFBF #AAE0D5

Accessibility & contrast

On white

2.24

#51BFA9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.38

#51BFA9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFA9

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFA9	#FFFFFF	#000000	##000000
##51BFA9	1.00	2.24	9.38	9.38
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.38	21.00	1.00	1.00
##000000	9.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8B4A8

Deuteranopia (green-blind)

#A7A8AB

Tritanopia (blue-blind)

#00C2B8

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bfa9;
/* rgb */ color: rgb(81, 191, 169);
/* oklch */ color: oklch(73.5% 0.106 177.9);

Tailwind

colors: {
  custom: {
    50: '#8cd3c2',
    500: '#51bfa9',
    950: '#000000',
  },
}

SCSS

$custom: #51bfa9;
$custom-light: #8cd3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfa9",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 169
  },
  "hsl": {
    "h": 168,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.73479,
    "c": 0.10596,
    "h": 177.9
  },
  "luminance": 0.41876
}

Semantic roles & 50–950 ramp

primary

#51BFA9

secondary

#CE9EA8

accent

#526CD6

background

#F9FDFB

surface

#F1FAF7

border

#CBD3D0

text

#0D1412

muted

#7E8381

Preview Lab

Preview with #51BFA9

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

Preview Lab → · Contrast checker → · Palette generator →