#1F3604#1F3604

#1F3604 is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.2% C 0.079 H 131.7°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#1F3604
RGB	rgb(31, 54, 4)
HSL	hsl(88, 86%, 11%)
HSV	hsv(88, 93%, 21%)
CMYK	cmyk(42.6%, 0%, 92.6%, 78.8%)
CIE-LAB	lab(19.80, -18.45, 25.81)
CIE-LCH	lch(19.80, 31.72, 125.55°)
OKLab	oklab(30.24% -0.0524 0.0587)
OKLCH	oklch(30.24% 0.079 131.7)
XYZ	xyz(1.9061, 2.9383, 0.5816)
Luminance	0.0294 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3604 #1B0436

analogous

#363404 #1F3604 #063604

triadic

#1F3604 #041F36 #36041F

tetradic

#1F3604 #043634 #1B0436 #360406

square

#1F3604 #043634 #1B0436 #360406

split-complementary

#1F3604 #040636 #340436

monochromatic

#101C02 #101C02 #1F3604 #406F08 #60A80C

Accessibility & contrast

On white

13.23

#1F3604 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1F3604 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3604

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3604	#FFFFFF	#000000	##FFFFFF
##1F3604	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393100

Deuteranopia (green-blind)

#362F09

Tritanopia (blue-blind)

#20332D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1f3604;
/* rgb */ color: rgb(31, 54, 4);
/* oklch */ color: oklch(30.2% 0.079 131.7);

Tailwind

colors: {
  custom: {
    50: '#5d6d49',
    500: '#1f3604',
    950: '#000000',
  },
}

SCSS

$custom: #1f3604;
$custom-light: #5d6d49;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3604",
  "rgb": {
    "r": 31,
    "g": 54,
    "b": 4
  },
  "hsl": {
    "h": 87.6,
    "s": 86.207,
    "l": 11.373
  },
  "oklch": {
    "l": 0.3024,
    "c": 0.07867,
    "h": 131.7
  },
  "luminance": 0.02938
}

Semantic roles & 50–950 ramp

primary

#1F3604

secondary

#471E78

accent

#2BFC8C

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1F3604

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

Preview Lab → · Contrast checker → · Palette generator →