#1B2B00#1B2B00

#1B2B00 is a dark, moderate yellow-green. Relative luminance 0.020; OKLCH L 26.5% C 0.069 H 128.1°. Best body text is #FFFFFF at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#1B2B00
RGB	rgb(27, 43, 0)
HSL	hsl(82, 100%, 8%)
HSV	hsv(82, 100%, 17%)
CMYK	cmyk(37.2%, 0%, 100%, 83.1%)
CIE-LAB	lab(15.28, -14.77, 21.92)
CIE-LCH	lch(15.28, 26.43, 123.96°)
OKLab	oklab(26.47% -0.0428 0.0545)
OKLCH	oklch(26.47% 0.069 128.1)
XYZ	xyz(1.3159, 1.9607, 0.3091)
Luminance	0.0196 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2B00 #10002B

analogous

#2B2500 #1B2B00 #052B00

triadic

#1B2B00 #001B2B #2B001B

tetradic

#1B2B00 #002B25 #10002B #2B0005

square

#1B2B00 #002B25 #10002B #2B0005

split-complementary

#1B2B00 #00052B #25002B

monochromatic

#131F00 #131F00 #1B2B00 #416800 #68A500

Accessibility & contrast

On white

15.08

#1B2B00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1B2B00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2B00

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2B00	#FFFFFF	#000000	##FFFFFF
##1B2B00	1.00	15.08	1.39	15.08
#FFFFFF	15.08	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2700

Deuteranopia (green-blind)

#2C2603

Tritanopia (blue-blind)

#1C2823

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1b2b00;
/* rgb */ color: rgb(27, 43, 0);
/* oklch */ color: oklch(26.5% 0.069 128.1);

Tailwind

colors: {
  custom: {
    50: '#586446',
    500: '#1b2b00',
    950: '#000000',
  },
}

SCSS

$custom: #1b2b00;
$custom-light: #586446;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2b00",
  "rgb": {
    "r": 27,
    "g": 43,
    "b": 0
  },
  "hsl": {
    "h": 82.326,
    "s": 100,
    "l": 8.431
  },
  "oklch": {
    "l": 0.2647,
    "c": 0.06935,
    "h": 128.1
  },
  "luminance": 0.01961
}

Semantic roles & 50–950 ramp

primary

#1B2B00

secondary

#371473

accent

#29FF79

background

#F5F6F4

surface

#E9EBE6

border

#C5C6C2

text

#030500

muted

#787A77

Preview Lab

Preview with #1B2B00

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

Preview Lab → · Contrast checker → · Palette generator →