#1F4004#1F4004

#1F4004 is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.3% C 0.093 H 135.0°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#1F4004
RGB	rgb(31, 64, 4)
HSL	hsl(93, 88%, 13%)
HSV	hsv(93, 94%, 25%)
CMYK	cmyk(51.6%, 0%, 93.8%, 74.9%)
CIE-LAB	lab(23.56, -23.42, 29.85)
CIE-LCH	lch(23.56, 37.94, 128.12°)
OKLab	oklab(33.33% -0.0657 0.0658)
OKLCH	oklch(33.33% 0.093 135)
XYZ	xyz(2.4203, 3.9667, 0.7530)
Luminance	0.0397 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 2.54

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4004 #250440

analogous

#3D4004 #1F4004 #044007

triadic

#1F4004 #041F40 #40041F

tetradic

#1F4004 #043D40 #250440 #400704

square

#1F4004 #043D40 #250440 #400704

split-complementary

#1F4004 #070440 #40043D

monochromatic

#0E1D02 #0E1D02 #1F4004 #3B7A08 #57B30B

Accessibility & contrast

On white

11.71

#1F4004 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1F4004 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4004

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4004	#FFFFFF	#000000	##FFFFFF
##1F4004	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433A00

Deuteranopia (green-blind)

#3E370B

Tritanopia (blue-blind)

#1E3D35

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f4004;
/* rgb */ color: rgb(31, 64, 4);
/* oklch */ color: oklch(33.3% 0.093 135.0);

Tailwind

colors: {
  custom: {
    50: '#5f754a',
    500: '#1f4004',
    950: '#000000',
  },
}

SCSS

$custom: #1f4004;
$custom-light: #5f754a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4004",
  "rgb": {
    "r": 31,
    "g": 64,
    "b": 4
  },
  "hsl": {
    "h": 93,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.33327,
    "c": 0.09298,
    "h": 135
  },
  "luminance": 0.03967
}

Semantic roles & 50–950 ramp

primary

#1F4004

secondary

#551F81

accent

#29FE9F

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#050801

muted

#797B77

Preview Lab

Preview with #1F4004

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

Preview Lab → · Contrast checker → · Palette generator →