#1B3705#1B3705

#1B3705 is a dark, moderate yellow-green. Relative luminance 0.030; OKLCH L 30.3% C 0.082 H 134.8°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#1B3705
RGB	rgb(27, 55, 5)
HSL	hsl(94, 83%, 12%)
HSV	hsv(94, 91%, 22%)
CMYK	cmyk(50.9%, 0%, 90.9%, 78.4%)
CIE-LAB	lab(19.95, -20.56, 25.51)
CIE-LCH	lch(19.95, 32.77, 128.86°)
OKLab	oklab(30.31% -0.0576 0.0581)
OKLCH	oklch(30.31% 0.082 134.8)
XYZ	xyz(1.8455, 2.9762, 0.6208)
Luminance	0.0298 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Dark Green

#033500

ΔE00 3.81

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 6.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3705 #210537

analogous

#343705 #1B3705 #053708

triadic

#1B3705 #051B37 #37051B

tetradic

#1B3705 #053437 #210537 #370805

square

#1B3705 #053437 #210537 #370805

split-complementary

#1B3705 #080537 #370534

monochromatic

#0E1C03 #0E1C03 #1B3705 #376F0A #52A70F

Accessibility & contrast

On white

13.16

#1B3705 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1B3705 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3705

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3705	#FFFFFF	#000000	##FFFFFF
##1B3705	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393200

Deuteranopia (green-blind)

#362F0A

Tritanopia (blue-blind)

#1A342E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1b3705;
/* rgb */ color: rgb(27, 55, 5);
/* oklch */ color: oklch(30.3% 0.082 134.8);

Tailwind

colors: {
  custom: {
    50: '#5b6e4a',
    500: '#1b3705',
    950: '#000000',
  },
}

SCSS

$custom: #1b3705;
$custom-light: #5b6e4a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3705",
  "rgb": {
    "r": 27,
    "g": 55,
    "b": 5
  },
  "hsl": {
    "h": 93.6,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.30305,
    "c": 0.08179,
    "h": 134.8
  },
  "luminance": 0.02976
}

Semantic roles & 50–950 ramp

primary

#1B3705

secondary

#512078

accent

#2EFAA0

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1B3705

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

Preview Lab → · Contrast checker → · Palette generator →