#37AC99#37AC99

#37AC99 is a light, moderate teal. Relative luminance 0.326; OKLCH L 67.5% C 0.107 H 179.9°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#37AC99
RGB	rgb(55, 172, 153)
HSL	hsl(170, 52%, 45%)
HSV	hsv(170, 68%, 67%)
CMYK	cmyk(68%, 0%, 11%, 32.5%)
CIE-LAB	lab(63.85, -36.83, 0.32)
CIE-LCH	lch(63.85, 36.83, 179.50°)
OKLab	oklab(67.5% -0.1065 0.0003)
OKLCH	oklch(67.5% 0.107 179.9)
XYZ	xyz(22.0751, 32.6147, 35.2627)
Luminance	0.3262 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AC99 #AC374A

analogous

#37AC5E #37AC99 #3785AC

triadic

#37AC99 #9937AC #AC9937

tetradic

#37AC99 #5E37AC #AC374A #85AC37

square

#37AC99 #5E37AC #AC374A #85AC37

split-complementary

#37AC99 #AC3785 #AC5E37

monochromatic

#194F47 #287E70 #37AC99 #57C9B7 #85D8CB

Accessibility & contrast

On white

2.79

#37AC99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#37AC99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AC99

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AC99	#FFFFFF	#000000	##000000
##37AC99	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5A298

Deuteranopia (green-blind)

#94969B

Tritanopia (blue-blind)

#00AFA6

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #37ac99;
/* rgb */ color: rgb(55, 172, 153);
/* oklch */ color: oklch(67.5% 0.107 179.9);

Tailwind

colors: {
  custom: {
    50: '#7dc5b7',
    500: '#37ac99',
    950: '#000000',
  },
}

SCSS

$custom: #37ac99;
$custom-light: #7dc5b7;
$custom-dark: #000000;

JSON

{
  "hex": "#37ac99",
  "rgb": {
    "r": 55,
    "g": 172,
    "b": 153
  },
  "hsl": {
    "h": 170.256,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67498,
    "c": 0.10655,
    "h": 179.9
  },
  "luminance": 0.32617
}

Semantic roles & 50–950 ramp

primary

#37AC99

secondary

#C27D88

accent

#4D64DB

background

#F8FCFB

surface

#EFF8F6

border

#CAD1D0

text

#0B1311

muted

#7C8280

Preview Lab

Preview with #37AC99

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

Preview Lab → · Contrast checker → · Palette generator →