#1B4E0B#1B4E0B

#1B4E0B is a dark, moderate green. Relative luminance 0.057; OKLCH L 37.5% C 0.110 H 139.6°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E0B
RGB	rgb(27, 78, 11)
HSL	hsl(106, 75%, 17%)
HSV	hsv(106, 86%, 31%)
CMYK	cmyk(65.4%, 0%, 85.9%, 69.4%)
CIE-LAB	lab(28.66, -30.43, 31.91)
CIE-LCH	lch(28.66, 44.09, 133.63°)
OKLab	oklab(37.49% -0.0837 0.0711)
OKLCH	oklch(37.49% 0.11 139.6)
XYZ	xyz(3.2366, 5.7057, 1.2473)
Luminance	0.0571 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E0B #3E0B4E

analogous

#3C4E0B #1B4E0B #0B4E1D

triadic

#1B4E0B #0B1B4E #4E0B1B

tetradic

#1B4E0B #0B3C4E #3E0B4E #4E1D0B

square

#1B4E0B #0B3C4E #3E0B4E #4E1D0B

split-complementary

#1B4E0B #1D0B4E #4E0B3C

monochromatic

#091B04 #091B04 #1B4E0B #2E8413 #40B91A

Accessibility & contrast

On white

9.81

#1B4E0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1B4E0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E0B

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E0B	#FFFFFF	#000000	##FFFFFF
##1B4E0B	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504600

Deuteranopia (green-blind)

#4A4213

Tritanopia (blue-blind)

#154B42

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b4e0b;
/* rgb */ color: rgb(27, 78, 11);
/* oklch */ color: oklch(37.5% 0.110 139.6);

Tailwind

colors: {
  custom: {
    50: '#5f8050',
    500: '#1b4e0b',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e0b;
$custom-light: #5f8050;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e0b",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 11
  },
  "hsl": {
    "h": 105.672,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.37494,
    "c": 0.1098,
    "h": 139.6
  },
  "luminance": 0.05706
}

Semantic roles & 50–950 ramp

primary

#1B4E0B

secondary

#732B8A

accent

#36F2C5

background

#F5F7F4

surface

#EAEEE7

border

#C6C9C3

text

#050A02

muted

#797C78

Preview Lab

Preview with #1B4E0B

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

Preview Lab → · Contrast checker → · Palette generator →