#1B2800#1B2800

#1B2800 is a dark, moderate yellow-green. Relative luminance 0.018; OKLCH L 25.5% C 0.065 H 126.0°. Best body text is #FFFFFF at 15.55:1 contrast (WCAG AA passes).

Color values

HEX	#1B2800
RGB	rgb(27, 40, 0)
HSL	hsl(80, 100%, 8%)
HSV	hsv(80, 100%, 16%)
CMYK	cmyk(32.5%, 0%, 100%, 84.3%)
CIE-LAB	lab(14.12, -13.05, 20.42)
CIE-LCH	lch(14.12, 24.24, 122.58°)
OKLab	oklab(25.53% -0.0382 0.0526)
OKLCH	oklch(25.53% 0.065 126)
XYZ	xyz(1.2108, 1.7506, 0.2741)
Luminance	0.0175 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2800 #0D0028

analogous

#282100 #1B2800 #072800

triadic

#1B2800 #001B28 #28001B

tetradic

#1B2800 #002821 #0D0028 #280007

square

#1B2800 #002821 #0D0028 #280007

split-complementary

#1B2800 #000728 #210028

monochromatic

#151F00 #151F00 #1B2800 #446500 #6EA200

Accessibility & contrast

On white

15.55

#1B2800 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1B2800 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2800

15.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2800	#FFFFFF	#000000	##FFFFFF
##1B2800	1.00	15.55	1.35	15.55
#FFFFFF	15.55	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2400

Deuteranopia (green-blind)

#292403

Tritanopia (blue-blind)

#1D2520

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1b2800;
/* rgb */ color: rgb(27, 40, 0);
/* oklch */ color: oklch(25.5% 0.065 126.0);

Tailwind

colors: {
  custom: {
    50: '#586246',
    500: '#1b2800',
    950: '#000000',
  },
}

SCSS

$custom: #1b2800;
$custom-light: #586246;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2800",
  "rgb": {
    "r": 27,
    "g": 40,
    "b": 0
  },
  "hsl": {
    "h": 79.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.25526,
    "c": 0.06501,
    "h": 126
  },
  "luminance": 0.01751
}

Semantic roles & 50–950 ramp

primary

#1B2800

secondary

#321470

accent

#29FF6E

background

#F5F5F3

surface

#E9EAE5

border

#C5C6C1

text

#030500

muted

#787977

Preview Lab

Preview with #1B2800

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

Preview Lab → · Contrast checker → · Palette generator →