#1B4C10#1B4C10

#1B4C10 is a dark, moderate green. Relative luminance 0.054; OKLCH L 36.9% C 0.104 H 140.4°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#1B4C10
RGB	rgb(27, 76, 16)
HSL	hsl(109, 65%, 18%)
HSV	hsv(109, 79%, 30%)
CMYK	cmyk(64.5%, 0%, 78.9%, 70.2%)
CIE-LAB	lab(27.95, -29.18, 29.20)
CIE-LCH	lch(27.95, 41.28, 134.98°)
OKLab	oklab(36.92% -0.08 0.0663)
OKLCH	oklch(36.92% 0.104 140.4)
XYZ	xyz(3.1298, 5.4390, 1.3750)
Luminance	0.0544 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4C10 #41104C

analogous

#394C10 #1B4C10 #104C23

triadic

#1B4C10 #101B4C #4C101B

tetradic

#1B4C10 #10394C #41104C #4C2310

square

#1B4C10 #10394C #41104C #4C2310

split-complementary

#1B4C10 #23104C #4C1039

monochromatic

#091905 #091905 #1B4C10 #2D7F1B #3FB125

Accessibility & contrast

On white

10.06

#1B4C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#1B4C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4C10

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4C10	#FFFFFF	#000000	##FFFFFF
##1B4C10	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4406

Deuteranopia (green-blind)

#484016

Tritanopia (blue-blind)

#154940

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #1b4c10;
/* rgb */ color: rgb(27, 76, 16);
/* oklch */ color: oklch(36.9% 0.104 140.4);

Tailwind

colors: {
  custom: {
    50: '#5e7e52',
    500: '#1b4c10',
    950: '#000000',
  },
}

SCSS

$custom: #1b4c10;
$custom-light: #5e7e52;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4c10",
  "rgb": {
    "r": 27,
    "g": 76,
    "b": 16
  },
  "hsl": {
    "h": 109,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.36922,
    "c": 0.10386,
    "h": 140.4
  },
  "luminance": 0.05439
}

Semantic roles & 50–950 ramp

primary

#1B4C10

secondary

#763286

accent

#40E8C9

background

#F5F7F4

surface

#E9EEE7

border

#C5C9C3

text

#050A02

muted

#797C78

Preview Lab

Preview with #1B4C10

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

Preview Lab → · Contrast checker → · Palette generator →