#1F3F04#1F3F04

#1F3F04 is a dark, moderate yellow-green. Relative luminance 0.039; OKLCH L 33.0% C 0.092 H 134.7°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#1F3F04
RGB	rgb(31, 63, 4)
HSL	hsl(93, 88%, 13%)
HSV	hsv(93, 94%, 25%)
CMYK	cmyk(50.8%, 0%, 93.7%, 75.3%)
CIE-LAB	lab(23.19, -22.95, 29.47)
CIE-LCH	lch(23.19, 37.35, 127.90°)
OKLab	oklab(33.02% -0.0644 0.0651)
OKLCH	oklch(33.02% 0.092 134.7)
XYZ	xyz(2.3644, 3.8549, 0.7343)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 2.81

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3F04 #24043F

analogous

#3C3F04 #1F3F04 #043F06

triadic

#1F3F04 #041F3F #3F041F

tetradic

#1F3F04 #043C3F #24043F #3F0604

square

#1F3F04 #043C3F #24043F #3F0604

split-complementary

#1F3F04 #06043F #3F043C

monochromatic

#0E1D02 #0E1D02 #1F3F04 #3B7908 #58B20B

Accessibility & contrast

On white

11.86

#1F3F04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1F3F04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3F04

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3F04	#FFFFFF	#000000	##FFFFFF
##1F3F04	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423900

Deuteranopia (green-blind)

#3E360A

Tritanopia (blue-blind)

#1E3C34

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f3f04;
/* rgb */ color: rgb(31, 63, 4);
/* oklch */ color: oklch(33.0% 0.092 134.7);

Tailwind

colors: {
  custom: {
    50: '#5f744a',
    500: '#1f3f04',
    950: '#000000',
  },
}

SCSS

$custom: #1f3f04;
$custom-light: #5f744a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3f04",
  "rgb": {
    "r": 31,
    "g": 63,
    "b": 4
  },
  "hsl": {
    "h": 92.542,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.33018,
    "c": 0.09159,
    "h": 134.7
  },
  "luminance": 0.03855
}

Semantic roles & 50–950 ramp

primary

#1F3F04

secondary

#541E80

accent

#2AFE9D

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#050801

muted

#797B77

Preview Lab

Preview with #1F3F04

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

Preview Lab → · Contrast checker → · Palette generator →