#37B591#37B591

#37B591 is a light, vivid teal. Relative luminance 0.359; OKLCH L 69.6% C 0.122 H 169.7°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#37B591
RGB	rgb(55, 181, 145)
HSL	hsl(163, 53%, 46%)
HSV	hsv(163, 70%, 71%)
CMYK	cmyk(69.6%, 0%, 19.9%, 29%)
CIE-LAB	lab(66.44, -42.85, 8.50)
CIE-LCH	lch(66.44, 43.69, 168.78°)
OKLab	oklab(69.55% -0.1197 0.0217)
OKLCH	oklch(69.55% 0.122 169.7)
XYZ	xyz(23.2076, 35.9017, 32.4892)
Luminance	0.3590 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37B591 #B5375B

analogous

#37B552 #37B591 #379AB5

triadic

#37B591 #9137B5 #B59137

tetradic

#37B591 #5237B5 #B5375B #9AB537

square

#37B591 #5237B5 #B5375B #9AB537

split-complementary

#37B591 #B5379A #B55237

monochromatic

#1A5746 #29866B #37B591 #5CCDAD #8BDCC5

Accessibility & contrast

On white

2.57

#37B591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#37B591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B591

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37B591	#FFFFFF	#000000	##000000
##37B591	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A98F

Deuteranopia (green-blind)

#9F9D93

Tritanopia (blue-blind)

#00B6AB

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #37b591;
/* rgb */ color: rgb(55, 181, 145);
/* oklch */ color: oklch(69.6% 0.122 169.7);

Tailwind

colors: {
  custom: {
    50: '#7eccb1',
    500: '#37b591',
    950: '#000000',
  },
}

SCSS

$custom: #37b591;
$custom-light: #7eccb1;
$custom-dark: #000000;

JSON

{
  "hex": "#37b591",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 145
  },
  "hsl": {
    "h": 162.857,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.69552,
    "c": 0.12164,
    "h": 169.7
  },
  "luminance": 0.35904
}

Semantic roles & 50–950 ramp

primary

#37B591

secondary

#C68295

accent

#4B75DD

background

#F8FCFA

surface

#EFF9F5

border

#CAD2CF

text

#0B1310

muted

#7C827F

Preview Lab

Preview with #37B591

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

Preview Lab → · Contrast checker → · Palette generator →