#1B4B0D#1B4B0D

#1B4B0D is a dark, moderate green. Relative luminance 0.053; OKLCH L 36.6% C 0.105 H 139.7°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#1B4B0D
RGB	rgb(27, 75, 13)
HSL	hsl(106, 70%, 17%)
HSV	hsv(106, 83%, 29%)
CMYK	cmyk(64%, 0%, 82.7%, 70.6%)
CIE-LAB	lab(27.56, -29.02, 30.07)
CIE-LCH	lch(27.56, 41.79, 133.98°)
OKLab	oklab(36.59% -0.0797 0.0676)
OKLCH	oklch(36.59% 0.105 139.7)
XYZ	xyz(3.0406, 5.2940, 1.2423)
Luminance	0.0529 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4B0D #3D0D4B

analogous

#3A4B0D #1B4B0D #0D4B1E

triadic

#1B4B0D #0D1B4B #4B0D1B

tetradic

#1B4B0D #0D3A4B #3D0D4B #4B1E0D

square

#1B4B0D #0D3A4B #3D0D4B #4B1E0D

split-complementary

#1B4B0D #1E0D4B #4B0D3A

monochromatic

#091A05 #091A05 #1B4B0D #2E7F16 #41B31F

Accessibility & contrast

On white

10.20

#1B4B0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1B4B0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4B0D

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4B0D	#FFFFFF	#000000	##FFFFFF
##1B4B0D	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4403

Deuteranopia (green-blind)

#474014

Tritanopia (blue-blind)

#15483F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1b4b0d;
/* rgb */ color: rgb(27, 75, 13);
/* oklch */ color: oklch(36.6% 0.105 139.7);

Tailwind

colors: {
  custom: {
    50: '#5e7e51',
    500: '#1b4b0d',
    950: '#000000',
  },
}

SCSS

$custom: #1b4b0d;
$custom-light: #5e7e51;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4b0d",
  "rgb": {
    "r": 27,
    "g": 75,
    "b": 13
  },
  "hsl": {
    "h": 106.452,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.36589,
    "c": 0.10454,
    "h": 139.7
  },
  "luminance": 0.05294
}

Semantic roles & 50–950 ramp

primary

#1B4B0D

secondary

#722E86

accent

#3BEDC5

background

#F5F7F4

surface

#E9EEE7

border

#C5C9C3

text

#050A02

muted

#797C78

Preview Lab

Preview with #1B4B0D

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

Preview Lab → · Contrast checker → · Palette generator →