#1B5311#1B5311

#1B5311 is a dark, moderate green. Relative luminance 0.065; OKLCH L 39.1% C 0.113 H 140.9°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#1B5311
RGB	rgb(27, 83, 17)
HSL	hsl(111, 66%, 20%)
HSV	hsv(111, 80%, 33%)
CMYK	cmyk(67.5%, 0%, 79.5%, 67.5%)
CIE-LAB	lab(30.54, -31.99, 31.41)
CIE-LCH	lch(30.54, 44.83, 135.52°)
OKLab	oklab(39.07% -0.0875 0.071)
OKLCH	oklch(39.07% 0.113 140.9)
XYZ	xyz(3.6462, 6.4596, 1.5849)
Luminance	0.0646 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

#06470C

ΔE00 4.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5311 #491153

analogous

#3C5311 #1B5311 #115328

triadic

#1B5311 #111B53 #53111B

tetradic

#1B5311 #113C53 #491153 #532811

square

#1B5311 #113C53 #491153 #532811

split-complementary

#1B5311 #281153 #53113C

monochromatic

#081905 #0A2007 #1B5311 #2C861B #3CB926

Accessibility & contrast

On white

9.16

#1B5311 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1B5311 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5311

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5311	#FFFFFF	#000000	##FFFFFF
##1B5311	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B06

Deuteranopia (green-blind)

#4F4618

Tritanopia (blue-blind)

#125046

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b5311;
/* rgb */ color: rgb(27, 83, 17);
/* oklch */ color: oklch(39.1% 0.113 140.9);

Tailwind

colors: {
  custom: {
    50: '#608454',
    500: '#1b5311',
    950: '#000000',
  },
}

SCSS

$custom: #1b5311;
$custom-light: #608454;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5311",
  "rgb": {
    "r": 27,
    "g": 83,
    "b": 17
  },
  "hsl": {
    "h": 110.909,
    "s": 66,
    "l": 19.608
  },
  "oklch": {
    "l": 0.39067,
    "c": 0.1127,
    "h": 140.9
  },
  "luminance": 0.0646
}

Semantic roles & 50–950 ramp

primary

#1B5311

secondary

#7F348C

accent

#3FE9CF

background

#F5F8F5

surface

#EAEFE8

border

#C6CAC4

text

#050B03

muted

#797C78

Preview Lab

Preview with #1B5311

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

Preview Lab → · Contrast checker → · Palette generator →