#1B4E10#1B4E10

#1B4E10 is a dark, moderate green. Relative luminance 0.057; OKLCH L 37.5% C 0.107 H 140.5°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E10
RGB	rgb(27, 78, 16)
HSL	hsl(109, 66%, 18%)
HSV	hsv(109, 79%, 31%)
CMYK	cmyk(65.4%, 0%, 79.5%, 69.4%)
CIE-LAB	lab(28.69, -30.02, 29.96)
CIE-LCH	lch(28.69, 42.41, 135.06°)
OKLab	oklab(37.53% -0.0822 0.0678)
OKLCH	oklch(37.53% 0.107 140.5)
XYZ	xyz(3.2698, 5.7189, 1.4217)
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

#1B4E10 #43104E

analogous

#3A4E10 #1B4E10 #104E24

triadic

#1B4E10 #101B4E #4E101B

tetradic

#1B4E10 #103A4E #43104E #4E2410

square

#1B4E10 #103A4E #43104E #4E2410

split-complementary

#1B4E10 #24104E #4E103A

monochromatic

#091905 #091B06 #1B4E10 #2D811A #3EB425

Accessibility & contrast

On white

9.80

#1B4E10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1B4E10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E10

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E10	#FFFFFF	#000000	##FFFFFF
##1B4E10	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504606

Deuteranopia (green-blind)

#4A4216

Tritanopia (blue-blind)

#144B42

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b4e10;
/* rgb */ color: rgb(27, 78, 16);
/* oklch */ color: oklch(37.5% 0.107 140.5);

Tailwind

colors: {
  custom: {
    50: '#5f8053',
    500: '#1b4e10',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e10;
$custom-light: #5f8053;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e10",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 16
  },
  "hsl": {
    "h": 109.355,
    "s": 65.957,
    "l": 18.431
  },
  "oklch": {
    "l": 0.37534,
    "c": 0.10662,
    "h": 140.5
  },
  "luminance": 0.05719
}

Semantic roles & 50–950 ramp

primary

#1B4E10

secondary

#793288

accent

#3FE9CB

background

#F5F7F4

surface

#EAEEE7

border

#C6C9C3

text

#050A02

muted

#797C78

Preview Lab

Preview with #1B4E10

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

Preview Lab → · Contrast checker → · Palette generator →