#51B09D#51B09D

#51B09D is a light, moderate teal. Relative luminance 0.352; OKLCH L 69.4% C 0.095 H 178.3°. Best body text is #000000 at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#51B09D
RGB	rgb(81, 176, 157)
HSL	hsl(168, 38%, 50%)
HSV	hsv(168, 54%, 69%)
CMYK	cmyk(54%, 0%, 10.8%, 31%)
CIE-LAB	lab(65.93, -32.77, 1.22)
CIE-LCH	lch(65.93, 32.80, 177.86°)
OKLab	oklab(69.44% -0.0947 0.0027)
OKLCH	oklch(69.44% 0.095 178.3)
XYZ	xyz(25.0018, 35.2320, 37.3746)
Luminance	0.3523 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B09D #B05164

analogous

#51B06D #51B09D #5193B0

triadic

#51B09D #9D51B0 #B09D51

tetradic

#51B09D #6D51B0 #B05164 #93B051

square

#51B09D #6D51B0 #B05164 #93B051

split-complementary

#51B09D #B05193 #B06D51

monochromatic

#2A5D52 #3D8778 #51B09D #7BC3B5 #A5D6CC

Accessibility & contrast

On white

2.61

#51B09D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.05

#51B09D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B09D

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B09D	#FFFFFF	#000000	##000000
##51B09D	1.00	2.61	8.05	8.05
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.05	21.00	1.00	1.00
##000000	8.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAA79C

Deuteranopia (green-blind)

#9B9C9F

Tritanopia (blue-blind)

#19B2AA

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51b09d;
/* rgb */ color: rgb(81, 176, 157);
/* oklch */ color: oklch(69.4% 0.095 178.3);

Tailwind

colors: {
  custom: {
    50: '#8ac8b9',
    500: '#51b09d',
    950: '#000000',
  },
}

SCSS

$custom: #51b09d;
$custom-light: #8ac8b9;
$custom-dark: #000000;

JSON

{
  "hex": "#51b09d",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 157
  },
  "hsl": {
    "h": 168,
    "s": 37.549,
    "l": 50.392
  },
  "oklch": {
    "l": 0.69435,
    "c": 0.09475,
    "h": 178.3
  },
  "luminance": 0.35234
}

Semantic roles & 50–950 ramp

primary

#51B09D

secondary

#C499A2

accent

#5A71CE

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #51B09D

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

Preview Lab → · Contrast checker → · Palette generator →