#51B59E#51B59E

#51B59E is a light, moderate teal. Relative luminance 0.373; OKLCH L 70.7% C 0.100 H 175.9°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#51B59E
RGB	rgb(81, 181, 158)
HSL	hsl(166, 40%, 51%)
HSV	hsv(166, 55%, 71%)
CMYK	cmyk(55.2%, 0%, 12.7%, 29%)
CIE-LAB	lab(67.47, -34.87, 2.91)
CIE-LCH	lch(67.47, 34.99, 175.22°)
OKLab	oklab(70.7% -0.0999 0.0072)
OKLCH	oklch(70.7% 0.1 175.9)
XYZ	xyz(26.0860, 37.2632, 38.1589)
Luminance	0.3727 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B59E #B55168

analogous

#51B56C #51B59E #519AB5

triadic

#51B59E #9E51B5 #B59E51

tetradic

#51B59E #6C51B5 #B55168 #9AB551

square

#51B59E #6C51B5 #B55168 #9AB551

split-complementary

#51B59E #B5519A #B56C51

monochromatic

#2A6255 #3C8D7A #51B59E #7CC7B6 #A7DACE

Accessibility & contrast

On white

2.48

#51B59E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.45

#51B59E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B59E

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B59E	#FFFFFF	#000000	##000000
##51B59E	1.00	2.48	8.45	8.45
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.45	21.00	1.00	1.00
##000000	8.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFAB9D

Deuteranopia (green-blind)

#A0A0A0

Tritanopia (blue-blind)

#13B7AE

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #51b59e;
/* rgb */ color: rgb(81, 181, 158);
/* oklch */ color: oklch(70.7% 0.100 175.9);

Tailwind

colors: {
  custom: {
    50: '#8acbba',
    500: '#51b59e',
    950: '#000000',
  },
}

SCSS

$custom: #51b59e;
$custom-light: #8acbba;
$custom-dark: #000000;

JSON

{
  "hex": "#51b59e",
  "rgb": {
    "r": 81,
    "g": 181,
    "b": 158
  },
  "hsl": {
    "h": 166.2,
    "s": 40.323,
    "l": 51.373
  },
  "oklch": {
    "l": 0.70697,
    "c": 0.10014,
    "h": 175.9
  },
  "luminance": 0.37266
}

Semantic roles & 50–950 ramp

primary

#51B59E

secondary

#C79BA5

accent

#5873D0

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0D1311

muted

#7D8280

Preview Lab

Preview with #51B59E

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

Preview Lab → · Contrast checker → · Palette generator →