#1B5F0F#1B5F0F

#1B5F0F is a dark, vivid green. Relative luminance 0.085; OKLCH L 42.7% C 0.129 H 141.1°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B5F0F
RGB	rgb(27, 95, 15)
HSL	hsl(111, 73%, 22%)
HSV	hsv(111, 84%, 37%)
CMYK	cmyk(71.6%, 0%, 84.2%, 62.7%)
CIE-LAB	lab(34.91, -36.81, 36.45)
CIE-LCH	lch(34.91, 51.81, 135.28°)
OKLab	oklab(42.68% -0.1006 0.0812)
OKLCH	oklch(42.68% 0.129 141.1)
XYZ	xyz(4.6302, 8.4514, 1.8391)
Luminance	0.0845 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5F0F #530F5F

analogous

#435F0F #1B5F0F #0F5F2B

triadic

#1B5F0F #0F1B5F #5F0F1B

tetradic

#1B5F0F #0F435F #530F5F #5F2B0F

square

#1B5F0F #0F435F #530F5F #5F2B0F

split-complementary

#1B5F0F #2B0F5F #5F0F43

monochromatic

#081A04 #0C2A07 #1B5F0F #2A9417 #39C920

Accessibility & contrast

On white

7.81

#1B5F0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1B5F0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5F0F

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5F0F	#FFFFFF	#000000	##FFFFFF
##1B5F0F	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625500

Deuteranopia (green-blind)

#5A5018

Tritanopia (blue-blind)

#0D5C50

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b5f0f;
/* rgb */ color: rgb(27, 95, 15);
/* oklch */ color: oklch(42.7% 0.129 141.1);

Tailwind

colors: {
  custom: {
    50: '#638d55',
    500: '#1b5f0f',
    950: '#000000',
  },
}

SCSS

$custom: #1b5f0f;
$custom-light: #638d55;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5f0f",
  "rgb": {
    "r": 27,
    "g": 95,
    "b": 15
  },
  "hsl": {
    "h": 111,
    "s": 72.727,
    "l": 21.569
  },
  "oklch": {
    "l": 0.42676,
    "c": 0.12933,
    "h": 141.1
  },
  "luminance": 0.08452
}

Semantic roles & 50–950 ramp

primary

#1B5F0F

secondary

#893298

accent

#38EFD4

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1B5F0F

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

Preview Lab → · Contrast checker → · Palette generator →