#1B4E11#1B4E11

#1B4E11 is a dark, moderate green. Relative luminance 0.057; OKLCH L 37.5% C 0.106 H 140.7°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E11
RGB	rgb(27, 78, 17)
HSL	hsl(110, 64%, 19%)
HSV	hsv(110, 78%, 31%)
CMYK	cmyk(65.4%, 0%, 78.2%, 69.4%)
CIE-LAB	lab(28.70, -29.93, 29.53)
CIE-LCH	lch(28.70, 42.05, 135.38°)
OKLab	oklab(37.54% -0.0819 0.0671)
OKLCH	oklch(37.54% 0.106 140.7)
XYZ	xyz(3.2774, 5.7220, 1.4619)
Luminance	0.0572 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E11 #44114E

analogous

#394E11 #1B4E11 #114E25

triadic

#1B4E11 #111B4E #4E111B

tetradic

#1B4E11 #11394E #44114E #4E2511

square

#1B4E11 #11394E #44114E #4E2511

split-complementary

#1B4E11 #25114E #4E1139

monochromatic

#091905 #0A1C06 #1B4E11 #2C801C #3EB227

Accessibility & contrast

On white

9.79

#1B4E11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1B4E11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E11

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E11	#FFFFFF	#000000	##FFFFFF
##1B4E11	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504607

Deuteranopia (green-blind)

#4A4217

Tritanopia (blue-blind)

#144B42

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b4e11;
/* rgb */ color: rgb(27, 78, 17);
/* oklch */ color: oklch(37.5% 0.106 140.7);

Tailwind

colors: {
  custom: {
    50: '#5f8053',
    500: '#1b4e11',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e11;
$custom-light: #5f8053;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e11",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 17
  },
  "hsl": {
    "h": 110.164,
    "s": 64.211,
    "l": 18.627
  },
  "oklch": {
    "l": 0.37543,
    "c": 0.10591,
    "h": 140.7
  },
  "luminance": 0.05722
}

Semantic roles & 50–950 ramp

primary

#1B4E11

secondary

#7A3387

accent

#41E7CC

background

#F5F7F4

surface

#EAEEE7

border

#C6C9C3

text

#050A03

muted

#797C78

Preview Lab

Preview with #1B4E11

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

Preview Lab → · Contrast checker → · Palette generator →