#1B4E18#1B4E18

#1B4E18 is a dark, moderate green. Relative luminance 0.057; OKLCH L 37.6% C 0.100 H 142.4°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E18
RGB	rgb(27, 78, 24)
HSL	hsl(117, 53%, 20%)
HSV	hsv(117, 69%, 31%)
CMYK	cmyk(65.4%, 0%, 69.2%, 69.4%)
CIE-LAB	lab(28.77, -29.17, 26.26)
CIE-LCH	lch(28.77, 39.25, 138.00°)
OKLab	oklab(37.62% -0.0794 0.0612)
OKLCH	oklch(37.62% 0.1 142.4)
XYZ	xyz(3.3411, 5.7474, 1.7973)
Luminance	0.0575 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

British Racing Green

#05480D

ΔE00 2.62

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E18 #4B184E

analogous

#364E18 #1B4E18 #184E30

triadic

#1B4E18 #181B4E #4E181B

tetradic

#1B4E18 #18364E #4B184E #4E3018

square

#1B4E18 #18364E #4B184E #4E3018

split-complementary

#1B4E18 #30184E #4E1836

monochromatic

#081707 #0B1F0A #1B4E18 #2B7D26 #3BAC35

Accessibility & contrast

On white

9.77

#1B4E18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1B4E18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E18

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E18	#FFFFFF	#000000	##FFFFFF
##1B4E18	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504612

Deuteranopia (green-blind)

#49421D

Tritanopia (blue-blind)

#134C43

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b4e18;
/* rgb */ color: rgb(27, 78, 24);
/* oklch */ color: oklch(37.6% 0.100 142.4);

Tailwind

colors: {
  custom: {
    50: '#5e8057',
    500: '#1b4e18',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e18;
$custom-light: #5e8057;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e18",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 24
  },
  "hsl": {
    "h": 116.667,
    "s": 52.941,
    "l": 20
  },
  "oklch": {
    "l": 0.37619,
    "c": 0.10023,
    "h": 142.4
  },
  "luminance": 0.05748
}

Semantic roles & 50–950 ramp

primary

#1B4E18

secondary

#813D85

accent

#4BDCD4

background

#F5F7F5

surface

#E9EEE9

border

#C5C9C5

text

#050A03

muted

#797C78

Preview Lab

Preview with #1B4E18

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

Preview Lab → · Contrast checker → · Palette generator →