#1B4A0F#1B4A0F

#1B4A0F is a dark, moderate green. Relative luminance 0.052; OKLCH L 36.3% C 0.102 H 140.0°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#1B4A0F
RGB	rgb(27, 74, 15)
HSL	hsl(108, 66%, 17%)
HSV	hsv(108, 80%, 29%)
CMYK	cmyk(63.5%, 0%, 79.7%, 71%)
CIE-LAB	lab(27.20, -28.42, 28.87)
CIE-LCH	lch(27.20, 40.51, 134.55°)
OKLab	oklab(36.3% -0.078 0.0654)
OKLCH	oklch(36.3% 0.102 140)
XYZ	xyz(2.9869, 5.1648, 1.2914)
Luminance	0.0517 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4A0F #3E0F4A

analogous

#384A0F #1B4A0F #0F4A21

triadic

#1B4A0F #0F1B4A #4A0F1B

tetradic

#1B4A0F #0F384A #3E0F4A #4A210F

square

#1B4A0F #0F384A #3E0F4A #4A210F

split-complementary

#1B4A0F #210F4A #4A0F38

monochromatic

#091905 #091905 #1B4A0F #2E7D19 #40B024

Accessibility & contrast

On white

10.33

#1B4A0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1B4A0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4A0F

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4A0F	#FFFFFF	#000000	##FFFFFF
##1B4A0F	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4306

Deuteranopia (green-blind)

#463F15

Tritanopia (blue-blind)

#15473E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1b4a0f;
/* rgb */ color: rgb(27, 74, 15);
/* oklch */ color: oklch(36.3% 0.102 140.0);

Tailwind

colors: {
  custom: {
    50: '#5e7d51',
    500: '#1b4a0f',
    950: '#000000',
  },
}

SCSS

$custom: #1b4a0f;
$custom-light: #5e7d51;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4a0f",
  "rgb": {
    "r": 27,
    "g": 74,
    "b": 15
  },
  "hsl": {
    "h": 107.797,
    "s": 66.292,
    "l": 17.451
  },
  "oklch": {
    "l": 0.36299,
    "c": 0.10179,
    "h": 140
  },
  "luminance": 0.05165
}

Semantic roles & 50–950 ramp

primary

#1B4A0F

secondary

#733084

accent

#3FE9C7

background

#F5F7F4

surface

#E9EEE7

border

#C5C9C3

text

#050902

muted

#797B78

Preview Lab

Preview with #1B4A0F

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

Preview Lab → · Contrast checker → · Palette generator →