#1B4E17#1B4E17

#1B4E17 is a dark, moderate green. Relative luminance 0.057; OKLCH L 37.6% C 0.101 H 142.1°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E17
RGB	rgb(27, 78, 23)
HSL	hsl(116, 54%, 20%)
HSV	hsv(116, 71%, 31%)
CMYK	cmyk(65.4%, 0%, 70.5%, 69.4%)
CIE-LAB	lab(28.76, -29.29, 26.75)
CIE-LCH	lch(28.76, 39.67, 137.59°)
OKLab	oklab(37.61% -0.0798 0.0621)
OKLCH	oklch(37.61% 0.101 142.1)
XYZ	xyz(3.3309, 5.7433, 1.7435)
Luminance	0.0574 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

British Racing Green

#05480D

ΔE00 2.57

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E17 #4A174E

analogous

#374E17 #1B4E17 #174E2E

triadic

#1B4E17 #171B4E #4E171B

tetradic

#1B4E17 #17374E #4A174E #4E2E17

square

#1B4E17 #17374E #4A174E #4E2E17

split-complementary

#1B4E17 #2E174E #4E1737

monochromatic

#081807 #0B1F09 #1B4E17 #2B7D25 #3CAD33

Accessibility & contrast

On white

9.77

#1B4E17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1B4E17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E17

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E17	#FFFFFF	#000000	##FFFFFF
##1B4E17	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504610

Deuteranopia (green-blind)

#4A421C

Tritanopia (blue-blind)

#134C43

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b4e17;
/* rgb */ color: rgb(27, 78, 23);
/* oklch */ color: oklch(37.6% 0.101 142.1);

Tailwind

colors: {
  custom: {
    50: '#5e8057',
    500: '#1b4e17',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e17;
$custom-light: #5e8057;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e17",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 23
  },
  "hsl": {
    "h": 115.636,
    "s": 54.455,
    "l": 19.804
  },
  "oklch": {
    "l": 0.37607,
    "c": 0.10111,
    "h": 142.1
  },
  "luminance": 0.05744
}

Semantic roles & 50–950 ramp

primary

#1B4E17

secondary

#803C85

accent

#4ADED3

background

#F5F7F5

surface

#E9EEE9

border

#C5C9C5

text

#050A03

muted

#797C78

Preview Lab

Preview with #1B4E17

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

Preview Lab → · Contrast checker → · Palette generator →