#1B510E#1B510E

#1B510E is a dark, moderate green. Relative luminance 0.061; OKLCH L 38.4% C 0.112 H 140.3°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B510E
RGB	rgb(27, 81, 14)
HSL	hsl(108, 71%, 19%)
HSV	hsv(108, 83%, 32%)
CMYK	cmyk(66.7%, 0%, 82.7%, 68.2%)
CIE-LAB	lab(29.79, -31.43, 31.87)
CIE-LCH	lch(29.79, 44.76, 134.60°)
OKLab	oklab(38.43% -0.0862 0.0715)
OKLCH	oklch(38.43% 0.112 140.3)
XYZ	xyz(3.4735, 6.1493, 1.4193)
Luminance	0.0615 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

#06470C

ΔE00 3.71

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B510E #440E51

analogous

#3C510E #1B510E #0E5122

triadic

#1B510E #0E1B51 #510E1B

tetradic

#1B510E #0E3C51 #440E51 #51220E

square

#1B510E #0E3C51 #440E51 #51220E

split-complementary

#1B510E #220E51 #510E3C

monochromatic

#091A05 #0A1D05 #1B510E #2C8517 #3EB920

Accessibility & contrast

On white

9.42

#1B510E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1B510E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B510E

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B510E	#FFFFFF	#000000	##FFFFFF
##1B510E	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534902

Deuteranopia (green-blind)

#4D4415

Tritanopia (blue-blind)

#134E44

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b510e;
/* rgb */ color: rgb(27, 81, 14);
/* oklch */ color: oklch(38.4% 0.112 140.3);

Tailwind

colors: {
  custom: {
    50: '#608252',
    500: '#1b510e',
    950: '#000000',
  },
}

SCSS

$custom: #1b510e;
$custom-light: #608252;
$custom-dark: #000000;

JSON

{
  "hex": "#1b510e",
  "rgb": {
    "r": 27,
    "g": 81,
    "b": 14
  },
  "hsl": {
    "h": 108.358,
    "s": 70.526,
    "l": 18.627
  },
  "oklch": {
    "l": 0.38434,
    "c": 0.11198,
    "h": 140.3
  },
  "luminance": 0.0615
}

Semantic roles & 50–950 ramp

primary

#1B510E

secondary

#7A2F8C

accent

#3AEDCB

background

#F5F8F4

surface

#EAEFE7

border

#C6CAC3

text

#050A02

muted

#797C78

Preview Lab

Preview with #1B510E

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

Preview Lab → · Contrast checker → · Palette generator →