#155B37#155B37

#155B37 is a dark, moderate green. Relative luminance 0.079; OKLCH L 41.9% C 0.091 H 155.9°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#155B37
RGB	rgb(21, 91, 55)
HSL	hsl(149, 63%, 22%)
HSV	hsv(149, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 39.6%, 64.3%)
CIE-LAB	lab(33.81, -30.66, 14.78)
CIE-LCH	lch(33.81, 34.03, 154.27°)
OKLab	oklab(41.89% -0.0829 0.037)
OKLCH	oklch(41.89% 0.091 155.9)
XYZ	xyz(4.7395, 7.9169, 4.8920)
Luminance	0.0792 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B37 #5B1539

analogous

#165B15 #155B37 #155B5A

triadic

#155B37 #37155B #5B3715

tetradic

#155B37 #15165B #5B1539 #5B5A15

square

#155B37 #15165B #5B1539 #5B5A15

split-complementary

#155B37 #5A155B #5B1516

monochromatic

#06190F #0A2919 #155B37 #208D55 #2CBE73

Accessibility & contrast

On white

8.13

#155B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#155B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B37

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B37	#FFFFFF	#000000	##FFFFFF
##155B37	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5335

Deuteranopia (green-blind)

#524D39

Tritanopia (blue-blind)

#005A52

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #155b37;
/* rgb */ color: rgb(21, 91, 55);
/* oklch */ color: oklch(41.9% 0.091 155.9);

Tailwind

colors: {
  custom: {
    50: '#5e8a6e',
    500: '#155b37',
    950: '#000000',
  },
}

SCSS

$custom: #155b37;
$custom-light: #5e8a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#155b37",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 55
  },
  "hsl": {
    "h": 149.143,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41887,
    "c": 0.0908,
    "h": 155.9
  },
  "luminance": 0.07917
}

Semantic roles & 50–950 ramp

primary

#155B37

secondary

#923967

accent

#4296E6

background

#F5F8F6

surface

#EAF0EB

border

#C6CBC6

text

#050C07

muted

#797D7A

Preview Lab

Preview with #155B37

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

Preview Lab → · Contrast checker → · Palette generator →