#1B4B0F#1B4B0F

#1B4B0F is a dark, moderate green. Relative luminance 0.053; OKLCH L 36.6% C 0.103 H 140.1°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#1B4B0F
RGB	rgb(27, 75, 15)
HSL	hsl(108, 67%, 18%)
HSV	hsv(108, 80%, 29%)
CMYK	cmyk(64%, 0%, 80%, 70.6%)
CIE-LAB	lab(27.57, -28.85, 29.25)
CIE-LCH	lch(27.57, 41.08, 134.60°)
OKLab	oklab(36.61% -0.0791 0.0662)
OKLCH	oklch(36.61% 0.103 140.1)
XYZ	xyz(3.0542, 5.2994, 1.3138)
Luminance	0.0530 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4B0F #3F0F4B

analogous

#394B0F #1B4B0F #0F4B21

triadic

#1B4B0F #0F1B4B #4B0F1B

tetradic

#1B4B0F #0F394B #3F0F4B #4B210F

square

#1B4B0F #0F394B #3F0F4B #4B210F

split-complementary

#1B4B0F #210F4B #4B0F39

monochromatic

#091A05 #091A05 #1B4B0F #2D7E19 #40B123

Accessibility & contrast

On white

10.19

#1B4B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1B4B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4B0F

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4B0F	#FFFFFF	#000000	##FFFFFF
##1B4B0F	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4405

Deuteranopia (green-blind)

#474015

Tritanopia (blue-blind)

#15483F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1b4b0f;
/* rgb */ color: rgb(27, 75, 15);
/* oklch */ color: oklch(36.6% 0.103 140.1);

Tailwind

colors: {
  custom: {
    50: '#5e7e52',
    500: '#1b4b0f',
    950: '#000000',
  },
}

SCSS

$custom: #1b4b0f;
$custom-light: #5e7e52;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4b0f",
  "rgb": {
    "r": 27,
    "g": 75,
    "b": 15
  },
  "hsl": {
    "h": 108,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.36606,
    "c": 0.10319,
    "h": 140.1
  },
  "luminance": 0.053
}

Semantic roles & 50–950 ramp

primary

#1B4B0F

secondary

#743085

accent

#3EEAC7

background

#F5F7F4

surface

#E9EEE7

border

#C5C9C3

text

#050A02

muted

#797C78

Preview Lab

Preview with #1B4B0F

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

Preview Lab → · Contrast checker → · Palette generator →