#1B5B2C#1B5B2C

#1B5B2C is a dark, moderate green. Relative luminance 0.079; OKLCH L 41.8% C 0.100 H 148.8°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#1B5B2C
RGB	rgb(27, 91, 44)
HSL	hsl(136, 54%, 23%)
HSV	hsv(136, 70%, 36%)
CMYK	cmyk(70.3%, 0%, 51.6%, 64.3%)
CIE-LAB	lab(33.77, -31.67, 21.25)
CIE-LCH	lch(33.77, 38.14, 146.15°)
OKLab	oklab(41.83% -0.0854 0.0518)
OKLCH	oklch(41.83% 0.1 148.8)
XYZ	xyz(4.6474, 7.8965, 3.6617)
Luminance	0.0790 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5B2C #5B1B4A

analogous

#2A5B1B #1B5B2C #1B5B4C

triadic

#1B5B2C #2C1B5B #5B2C1B

tetradic

#1B5B2C #1B2A5B #5B1B4A #5B4C1B

square

#1B5B2C #1B2A5B #5B1B4A #5B4C1B

split-complementary

#1B5B2C #4C1B5B #5B1B2A

monochromatic

#07180B #0D2C15 #1B5B2C #298A43 #37B95A

Accessibility & contrast

On white

8.14

#1B5B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1B5B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5B2C

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5B2C	#FFFFFF	#000000	##FFFFFF
##1B5B2C	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5328

Deuteranopia (green-blind)

#544D2F

Tritanopia (blue-blind)

#045950

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1b5b2c;
/* rgb */ color: rgb(27, 91, 44);
/* oklch */ color: oklch(41.8% 0.100 148.8);

Tailwind

colors: {
  custom: {
    50: '#608a66',
    500: '#1b5b2c',
    950: '#000000',
  },
}

SCSS

$custom: #1b5b2c;
$custom-light: #608a66;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5b2c",
  "rgb": {
    "r": 27,
    "g": 91,
    "b": 44
  },
  "hsl": {
    "h": 135.938,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.41831,
    "c": 0.0999,
    "h": 148.8
  },
  "luminance": 0.07897
}

Semantic roles & 50–950 ramp

primary

#1B5B2C

secondary

#91417C

accent

#4AB6DE

background

#F5F8F6

surface

#EAF0EB

border

#C6CBC6

text

#050C06

muted

#797D7A

Preview Lab

Preview with #1B5B2C

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

Preview Lab → · Contrast checker → · Palette generator →