#1B360B#1B360B

#1B360B is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.1% C 0.075 H 136.0°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#1B360B
RGB	rgb(27, 54, 11)
HSL	hsl(98, 66%, 13%)
HSV	hsv(98, 80%, 21%)
CMYK	cmyk(50%, 0%, 79.6%, 78.8%)
CIE-LAB	lab(19.62, -19.49, 22.69)
CIE-LCH	lch(19.62, 29.91, 130.66°)
OKLab	oklab(30.05% -0.0541 0.0522)
OKLCH	oklch(30.05% 0.075 136)
XYZ	xyz(1.8315, 2.8954, 0.7789)
Luminance	0.0290 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B360B #260B36

analogous

#30360B #1B360B #0B3610

triadic

#1B360B #0B1B36 #360B1B

tetradic

#1B360B #0B3036 #260B36 #36100B

square

#1B360B #0B3036 #260B36 #36100B

split-complementary

#1B360B #100B36 #360B30

monochromatic

#0D1905 #0D1905 #1B360B #346915 #4E9C20

Accessibility & contrast

On white

13.30

#1B360B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1B360B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B360B

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B360B	#FFFFFF	#000000	##FFFFFF
##1B360B	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383106

Deuteranopia (green-blind)

#352F0F

Tritanopia (blue-blind)

#1A342D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1b360b;
/* rgb */ color: rgb(27, 54, 11);
/* oklch */ color: oklch(30.1% 0.075 136.0);

Tailwind

colors: {
  custom: {
    50: '#5a6d4d',
    500: '#1b360b',
    950: '#000000',
  },
}

SCSS

$custom: #1b360b;
$custom-light: #5a6d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b360b",
  "rgb": {
    "r": 27,
    "g": 54,
    "b": 11
  },
  "hsl": {
    "h": 97.674,
    "s": 66.154,
    "l": 12.745
  },
  "oklch": {
    "l": 0.30053,
    "c": 0.07522,
    "h": 136
  },
  "luminance": 0.02896
}

Semantic roles & 50–950 ramp

primary

#1B360B

secondary

#582A73

accent

#3FE9AA

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1B360B

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

Preview Lab → · Contrast checker → · Palette generator →