#155B21#155B21

#155B21 is a dark, moderate green. Relative luminance 0.078; OKLCH L 41.5% C 0.113 H 145.8°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#155B21
RGB	rgb(21, 91, 33)
HSL	hsl(130, 63%, 22%)
HSV	hsv(130, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 63.7%, 64.3%)
CIE-LAB	lab(33.46, -34.68, 26.90)
CIE-LCH	lch(33.46, 43.89, 142.20°)
OKLab	oklab(41.48% -0.0936 0.0635)
OKLCH	oklch(41.48% 0.113 145.8)
XYZ	xyz(4.3246, 7.7509, 2.7067)
Luminance	0.0775 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B21 #5B154F

analogous

#2C5B15 #155B21 #155B44

triadic

#155B21 #21155B #5B2115

tetradic

#155B21 #152C5B #5B154F #5B4415

square

#155B21 #152C5B #5B154F #5B4415

split-complementary

#155B21 #44155B #5B152C

monochromatic

#061909 #0A290F #155B21 #208D33 #2CBE45

Accessibility & contrast

On white

8.23

#155B21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#155B21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B21

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B21	#FFFFFF	#000000	##FFFFFF
##155B21	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C521B

Deuteranopia (green-blind)

#544C26

Tritanopia (blue-blind)

#00594E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #155b21;
/* rgb */ color: rgb(21, 91, 33);
/* oklch */ color: oklch(41.5% 0.113 145.8);

Tailwind

colors: {
  custom: {
    50: '#5e8a5e',
    500: '#155b21',
    950: '#000000',
  },
}

SCSS

$custom: #155b21;
$custom-light: #5e8a5e;
$custom-dark: #000000;

JSON

{
  "hex": "#155b21",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 33
  },
  "hsl": {
    "h": 130.286,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41483,
    "c": 0.1131,
    "h": 145.8
  },
  "luminance": 0.07751
}

Semantic roles & 50–950 ramp

primary

#155B21

secondary

#923983

accent

#42CAE6

background

#F5F8F5

surface

#EAF0E9

border

#C6CBC5

text

#050C04

muted

#797D79

Preview Lab

Preview with #155B21

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

Preview Lab → · Contrast checker → · Palette generator →