#1F400C#1F400C

#1F400C is a dark, moderate yellow-green. Relative luminance 0.040; OKLCH L 33.4% C 0.087 H 136.5°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#1F400C
RGB	rgb(31, 64, 12)
HSL	hsl(98, 68%, 15%)
HSV	hsv(98, 81%, 25%)
CMYK	cmyk(51.6%, 0%, 81.2%, 74.9%)
CIE-LAB	lab(23.62, -22.78, 26.61)
CIE-LCH	lch(23.62, 35.03, 130.57°)
OKLab	oklab(33.39% -0.0633 0.0601)
OKLCH	oklch(33.39% 0.087 136.5)
XYZ	xyz(2.4648, 3.9845, 0.9870)
Luminance	0.0398 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 2.67

Hunter Green (survey)

#0B4008

ΔE00 3.02

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F400C #2D0C40

analogous

#39400C #1F400C #0C4013

triadic

#1F400C #0C1F40 #400C1F

tetradic

#1F400C #0C3940 #2D0C40 #40130C

square

#1F400C #0C3940 #2D0C40 #40130C

split-complementary

#1F400C #130C40 #400C39

monochromatic

#0C1A05 #0C1A05 #1F400C #387416 #51A71F

Accessibility & contrast

On white

11.69

#1F400C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1F400C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F400C

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F400C	#FFFFFF	#000000	##FFFFFF
##1F400C	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A04

Deuteranopia (green-blind)

#3E3711

Tritanopia (blue-blind)

#1D3D36

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f400c;
/* rgb */ color: rgb(31, 64, 12);
/* oklch */ color: oklch(33.4% 0.087 136.5);

Tailwind

colors: {
  custom: {
    50: '#5e754e',
    500: '#1f400c',
    950: '#000000',
  },
}

SCSS

$custom: #1f400c;
$custom-light: #5e754e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f400c",
  "rgb": {
    "r": 31,
    "g": 64,
    "b": 12
  },
  "hsl": {
    "h": 98.077,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.33394,
    "c": 0.08731,
    "h": 136.5
  },
  "luminance": 0.03985
}

Semantic roles & 50–950 ramp

primary

#1F400C

secondary

#5F2C7C

accent

#3DEBAB

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#050802

muted

#797B78

Preview Lab

Preview with #1F400C

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

Preview Lab → · Contrast checker → · Palette generator →