#1F3704#1F3704

#1F3704 is a dark, moderate yellow-green. Relative luminance 0.030; OKLCH L 30.5% C 0.080 H 132.1°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F3704
RGB	rgb(31, 55, 4)
HSL	hsl(88, 86%, 12%)
HSV	hsv(88, 93%, 22%)
CMYK	cmyk(43.6%, 0%, 92.7%, 78.4%)
CIE-LAB	lab(20.17, -18.97, 26.24)
CIE-LCH	lch(20.17, 32.38, 125.86°)
OKLab	oklab(30.55% -0.0538 0.0594)
OKLCH	oklch(30.55% 0.08 132.1)
XYZ	xyz(1.9532, 3.0324, 0.5972)
Luminance	0.0303 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Dark Green

#033500

ΔE00 4.87

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3704 #1C0437

analogous

#373604 #1F3704 #063704

triadic

#1F3704 #041F37 #37041F

tetradic

#1F3704 #043736 #1C0437 #370406

square

#1F3704 #043736 #1C0437 #370406

split-complementary

#1F3704 #040637 #360437

monochromatic

#101D02 #101D02 #1F3704 #3F7008 #5FA90C

Accessibility & contrast

On white

13.07

#1F3704 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F3704 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3704

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3704	#FFFFFF	#000000	##FFFFFF
##1F3704	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3200

Deuteranopia (green-blind)

#373009

Tritanopia (blue-blind)

#1F342E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f3704;
/* rgb */ color: rgb(31, 55, 4);
/* oklch */ color: oklch(30.5% 0.080 132.1);

Tailwind

colors: {
  custom: {
    50: '#5d6e49',
    500: '#1f3704',
    950: '#000000',
  },
}

SCSS

$custom: #1f3704;
$custom-light: #5d6e49;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3704",
  "rgb": {
    "r": 31,
    "g": 55,
    "b": 4
  },
  "hsl": {
    "h": 88.235,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.30549,
    "c": 0.08015,
    "h": 132.1
  },
  "luminance": 0.03032
}

Semantic roles & 50–950 ramp

primary

#1F3704

secondary

#491E79

accent

#2BFD8E

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1F3704

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

Preview Lab → · Contrast checker → · Palette generator →