#1B3604#1B3604

#1B3604 is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.0% C 0.081 H 134.2°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#1B3604
RGB	rgb(27, 54, 4)
HSL	hsl(92, 86%, 11%)
HSV	hsv(92, 93%, 21%)
CMYK	cmyk(50%, 0%, 92.6%, 78.8%)
CIE-LAB	lab(19.56, -20.16, 25.48)
CIE-LCH	lch(19.56, 32.49, 128.36°)
OKLab	oklab(29.98% -0.0567 0.0582)
OKLCH	oklch(29.98% 0.081 134.2)
XYZ	xyz(1.7930, 2.8800, 0.5763)
Luminance	0.0288 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 6.92

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3604 #1F0436

analogous

#343604 #1B3604 #043606

triadic

#1B3604 #041B36 #36041B

tetradic

#1B3604 #043436 #1F0436 #360604

square

#1B3604 #043436 #1F0436 #360604

split-complementary

#1B3604 #060436 #360434

monochromatic

#0E1C02 #0E1C02 #1B3604 #376F08 #54A80C

Accessibility & contrast

On white

13.32

#1B3604 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1B3604 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3604

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3604	#FFFFFF	#000000	##FFFFFF
##1B3604	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393100

Deuteranopia (green-blind)

#352F09

Tritanopia (blue-blind)

#1B332D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1b3604;
/* rgb */ color: rgb(27, 54, 4);
/* oklch */ color: oklch(30.0% 0.081 134.2);

Tailwind

colors: {
  custom: {
    50: '#5a6d49',
    500: '#1b3604',
    950: '#000000',
  },
}

SCSS

$custom: #1b3604;
$custom-light: #5a6d49;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3604",
  "rgb": {
    "r": 27,
    "g": 54,
    "b": 4
  },
  "hsl": {
    "h": 92.4,
    "s": 86.207,
    "l": 11.373
  },
  "oklch": {
    "l": 0.29981,
    "c": 0.08121,
    "h": 134.2
  },
  "luminance": 0.0288
}

Semantic roles & 50–950 ramp

primary

#1B3604

secondary

#4F1E78

accent

#2BFC9C

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1B3604

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

Preview Lab → · Contrast checker → · Palette generator →