#1B400A#1B400A

#1B400A is a dark, moderate green. Relative luminance 0.039; OKLCH L 33.2% C 0.091 H 137.9°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#1B400A
RGB	rgb(27, 64, 10)
HSL	hsl(101, 73%, 15%)
HSV	hsv(101, 84%, 25%)
CMYK	cmyk(57.8%, 0%, 84.4%, 74.9%)
CIE-LAB	lab(23.41, -24.41, 27.19)
CIE-LCH	lch(23.41, 36.55, 131.92°)
OKLab	oklab(33.16% -0.0675 0.0611)
OKLCH	oklch(33.16% 0.091 137.9)
XYZ	xyz(2.3401, 3.9215, 0.9207)
Luminance	0.0392 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Forrest Green

#154406

ΔE00 2.04

Hunter Green (survey)

#0B4008

ΔE00 2.26

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B400A #2F0A40

analogous

#36400A #1B400A #0A4014

triadic

#1B400A #0A1B40 #400A1B

tetradic

#1B400A #0A3640 #2F0A40 #40140A

square

#1B400A #0A3640 #2F0A40 #40140A

split-complementary

#1B400A #140A40 #400A36

monochromatic

#0B1A04 #0B1A04 #1B400A #317512 #48AA1B

Accessibility & contrast

On white

11.77

#1B400A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1B400A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B400A

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B400A	#FFFFFF	#000000	##FFFFFF
##1B400A	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A02

Deuteranopia (green-blind)

#3E3710

Tritanopia (blue-blind)

#183D36

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1b400a;
/* rgb */ color: rgb(27, 64, 10);
/* oklch */ color: oklch(33.2% 0.091 137.9);

Tailwind

colors: {
  custom: {
    50: '#5c754d',
    500: '#1b400a',
    950: '#000000',
  },
}

SCSS

$custom: #1b400a;
$custom-light: #5c754d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b400a",
  "rgb": {
    "r": 27,
    "g": 64,
    "b": 10
  },
  "hsl": {
    "h": 101.111,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33163,
    "c": 0.09109,
    "h": 137.9
  },
  "luminance": 0.03922
}

Semantic roles & 50–950 ramp

primary

#1B400A

secondary

#63297D

accent

#38F0B6

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#040801

muted

#797B77

Preview Lab

Preview with #1B400A

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

Preview Lab → · Contrast checker → · Palette generator →