#155B33#155B33

#155B33 is a dark, moderate green. Relative luminance 0.079; OKLCH L 41.8% C 0.095 H 153.5°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#155B33
RGB	rgb(21, 91, 51)
HSL	hsl(146, 63%, 22%)
HSV	hsv(146, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 44%, 64.3%)
CIE-LAB	lab(33.73, -31.52, 17.07)
CIE-LCH	lch(33.73, 35.85, 151.56°)
OKLab	oklab(41.8% -0.085 0.0424)
OKLCH	oklch(41.8% 0.095 153.5)
XYZ	xyz(4.6475, 7.8801, 4.4074)
Luminance	0.0788 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B33 #5B153D

analogous

#1A5B15 #155B33 #155B56

triadic

#155B33 #33155B #5B3315

tetradic

#155B33 #151A5B #5B153D #5B5615

square

#155B33 #151A5B #5B153D #5B5615

split-complementary

#155B33 #56155B #5B151A

monochromatic

#06190E #0A2917 #155B33 #208D4F #2CBE6B

Accessibility & contrast

On white

8.15

#155B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#155B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B33

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B33	#FFFFFF	#000000	##FFFFFF
##155B33	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5330

Deuteranopia (green-blind)

#524D36

Tritanopia (blue-blind)

#005A51

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #155b33;
/* rgb */ color: rgb(21, 91, 51);
/* oklch */ color: oklch(41.8% 0.095 153.5);

Tailwind

colors: {
  custom: {
    50: '#5e8a6b',
    500: '#155b33',
    950: '#000000',
  },
}

SCSS

$custom: #155b33;
$custom-light: #5e8a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#155b33",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 51
  },
  "hsl": {
    "h": 145.714,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41798,
    "c": 0.09499,
    "h": 153.5
  },
  "luminance": 0.07881
}

Semantic roles & 50–950 ramp

primary

#155B33

secondary

#92396C

accent

#42A0E6

background

#F5F8F6

surface

#EAF0EB

border

#C6CBC6

text

#050C06

muted

#797D7A

Preview Lab

Preview with #155B33

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

Preview Lab → · Contrast checker → · Palette generator →