#1B3B02#1B3B02

#1B3B02 is a dark, moderate yellow-green. Relative luminance 0.034; OKLCH L 31.5% C 0.090 H 135.2°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#1B3B02
RGB	rgb(27, 59, 2)
HSL	hsl(94, 93%, 12%)
HSV	hsv(94, 97%, 23%)
CMYK	cmyk(54.2%, 0%, 96.6%, 76.9%)
CIE-LAB	lab(21.45, -22.77, 28.40)
CIE-LCH	lch(21.45, 36.40, 128.72°)
OKLab	oklab(31.53% -0.0639 0.0634)
OKLCH	oklch(31.53% 0.09 135.2)
XYZ	xyz(2.0269, 3.3652, 0.6002)
Luminance	0.0336 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 3.44

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3B02 #22023B

analogous

#383B02 #1B3B02 #023B05

triadic

#1B3B02 #021B3B #3B021B

tetradic

#1B3B02 #02383B #22023B #3B0502

square

#1B3B02 #02383B #22023B #3B0502

split-complementary

#1B3B02 #05023B #3B0238

monochromatic

#0E1E01 #0E1E01 #1B3B02 #367604 #51B106

Accessibility & contrast

On white

12.55

#1B3B02 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1B3B02 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3B02

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3B02	#FFFFFF	#000000	##FFFFFF
##1B3B02	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3500

Deuteranopia (green-blind)

#393308

Tritanopia (blue-blind)

#1A3831

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1b3b02;
/* rgb */ color: rgb(27, 59, 2);
/* oklch */ color: oklch(31.5% 0.090 135.2);

Tailwind

colors: {
  custom: {
    50: '#5b7149',
    500: '#1b3b02',
    950: '#000000',
  },
}

SCSS

$custom: #1b3b02;
$custom-light: #5b7149;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3b02",
  "rgb": {
    "r": 27,
    "g": 59,
    "b": 2
  },
  "hsl": {
    "h": 93.684,
    "s": 93.443,
    "l": 11.961
  },
  "oklch": {
    "l": 0.31531,
    "c": 0.09002,
    "h": 135.2
  },
  "luminance": 0.03365
}

Semantic roles & 50–950 ramp

primary

#1B3B02

secondary

#531A7E

accent

#29FFA1

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1B3B02

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

Preview Lab → · Contrast checker → · Palette generator →