#1B5910#1B5910

#1B5910 is a dark, vivid green. Relative luminance 0.074; OKLCH L 40.9% C 0.121 H 141.0°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#1B5910
RGB	rgb(27, 89, 16)
HSL	hsl(111, 70%, 21%)
HSV	hsv(111, 82%, 35%)
CMYK	cmyk(69.7%, 0%, 82%, 65.1%)
CIE-LAB	lab(32.73, -34.45, 33.99)
CIE-LCH	lch(32.73, 48.40, 135.38°)
OKLab	oklab(40.88% -0.0942 0.0763)
OKLCH	oklch(40.88% 0.121 141)
XYZ	xyz(4.1177, 7.4148, 1.7043)
Luminance	0.0741 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5910 #4E1059

analogous

#3F5910 #1B5910 #105929

triadic

#1B5910 #101B59 #59101B

tetradic

#1B5910 #103F59 #4E1059 #592910

square

#1B5910 #103F59 #4E1059 #592910

split-complementary

#1B5910 #291059 #59103F

monochromatic

#081A05 #0B2507 #1B5910 #2B8D19 #3AC123

Accessibility & contrast

On white

8.46

#1B5910 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1B5910 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5910

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5910	#FFFFFF	#000000	##FFFFFF
##1B5910	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5002

Deuteranopia (green-blind)

#544B18

Tritanopia (blue-blind)

#10564B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b5910;
/* rgb */ color: rgb(27, 89, 16);
/* oklch */ color: oklch(40.9% 0.121 141.0);

Tailwind

colors: {
  custom: {
    50: '#618954',
    500: '#1b5910',
    950: '#000000',
  },
}

SCSS

$custom: #1b5910;
$custom-light: #618954;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5910",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 16
  },
  "hsl": {
    "h": 110.959,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.40877,
    "c": 0.1212,
    "h": 141
  },
  "luminance": 0.07415
}

Semantic roles & 50–950 ramp

primary

#1B5910

secondary

#843392

accent

#3BECD2

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#050B03

muted

#7A7C78

Preview Lab

Preview with #1B5910

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

Preview Lab → · Contrast checker → · Palette generator →