#1F400D#1F400D

#1F400D is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.4% C 0.087 H 136.7°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#1F400D
RGB	rgb(31, 64, 13)
HSL	hsl(99, 66%, 15%)
HSV	hsv(99, 80%, 25%)
CMYK	cmyk(51.6%, 0%, 79.7%, 74.9%)
CIE-LAB	lab(23.63, -22.69, 26.16)
CIE-LCH	lch(23.63, 34.63, 130.94°)
OKLab	oklab(33.4% -0.063 0.0594)
OKLCH	oklch(33.4% 0.087 136.7)
XYZ	xyz(2.4710, 3.9870, 1.0201)
Luminance	0.0399 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 2.75

Hunter Green (survey)

#0B4008

ΔE00 3.01

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F400D #2E0D40

analogous

#38400D #1F400D #0D4015

triadic

#1F400D #0D1F40 #400D1F

tetradic

#1F400D #0D3840 #2E0D40 #40150D

square

#1F400D #0D3840 #2E0D40 #40150D

split-complementary

#1F400D #150D40 #400D38

monochromatic

#0C1905 #0C1905 #1F400D #387317 #50A622

Accessibility & contrast

On white

11.68

#1F400D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1F400D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F400D

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F400D	#FFFFFF	#000000	##FFFFFF
##1F400D	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A06

Deuteranopia (green-blind)

#3E3712

Tritanopia (blue-blind)

#1D3D36

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f400d;
/* rgb */ color: rgb(31, 64, 13);
/* oklch */ color: oklch(33.4% 0.087 136.7);

Tailwind

colors: {
  custom: {
    50: '#5e754f',
    500: '#1f400d',
    950: '#000000',
  },
}

SCSS

$custom: #1f400d;
$custom-light: #5e754f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f400d",
  "rgb": {
    "r": 31,
    "g": 64,
    "b": 13
  },
  "hsl": {
    "h": 98.824,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.33403,
    "c": 0.08654,
    "h": 136.7
  },
  "luminance": 0.03987
}

Semantic roles & 50–950 ramp

primary

#1F400D

secondary

#602D7C

accent

#3FE9AD

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#050802

muted

#797B78

Preview Lab

Preview with #1F400D

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

Preview Lab → · Contrast checker → · Palette generator →