#155B18#155B18

#155B18 is a dark, vivid green. Relative luminance 0.077; OKLCH L 41.4% C 0.121 H 143.5°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#155B18
RGB	rgb(21, 91, 24)
HSL	hsl(123, 63%, 22%)
HSV	hsv(123, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 73.6%, 64.3%)
CIE-LAB	lab(33.37, -35.80, 31.23)
CIE-LCH	lch(33.37, 47.51, 138.90°)
OKLab	oklab(41.38% -0.097 0.0717)
OKLCH	oklch(41.38% 0.121 143.5)
XYZ	xyz(4.2150, 7.7071, 2.1295)
Luminance	0.0771 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B18 #5B1558

analogous

#355B15 #155B18 #155B3B

triadic

#155B18 #18155B #5B1815

tetradic

#155B18 #15355B #5B1558 #5B3B15

square

#155B18 #15355B #5B1558 #5B3B15

split-complementary

#155B18 #3B155B #5B1535

monochromatic

#061907 #0A290B #155B18 #208D25 #2CBE32

Accessibility & contrast

On white

8.26

#155B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#155B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B18

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B18	#FFFFFF	#000000	##FFFFFF
##155B18	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D520E

Deuteranopia (green-blind)

#554C1E

Tritanopia (blue-blind)

#00584D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #155b18;
/* rgb */ color: rgb(21, 91, 24);
/* oklch */ color: oklch(41.4% 0.121 143.5);

Tailwind

colors: {
  custom: {
    50: '#5f8a59',
    500: '#155b18',
    950: '#000000',
  },
}

SCSS

$custom: #155b18;
$custom-light: #5f8a59;
$custom-dark: #000000;

JSON

{
  "hex": "#155b18",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 24
  },
  "hsl": {
    "h": 122.571,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41376,
    "c": 0.12065,
    "h": 143.5
  },
  "luminance": 0.07708
}

Semantic roles & 50–950 ramp

primary

#155B18

secondary

#92398F

accent

#42DFE6

background

#F5F8F5

surface

#EAF0E9

border

#C6CBC5

text

#050C04

muted

#797D79

Preview Lab

Preview with #155B18

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

Preview Lab → · Contrast checker → · Palette generator →