#1B5B0F#1B5B0F

#1B5B0F is a dark, vivid green. Relative luminance 0.077; OKLCH L 41.5% C 0.124 H 140.9°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#1B5B0F
RGB	rgb(27, 91, 15)
HSL	hsl(111, 72%, 21%)
HSV	hsv(111, 84%, 36%)
CMYK	cmyk(70.3%, 0%, 83.5%, 64.3%)
CIE-LAB	lab(33.45, -35.30, 35.06)
CIE-LCH	lch(33.45, 49.75, 135.19°)
OKLab	oklab(41.47% -0.0965 0.0783)
OKLCH	oklch(41.47% 0.124 140.9)
XYZ	xyz(4.2791, 7.7492, 1.7221)
Luminance	0.0775 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5B0F #4F0F5B

analogous

#415B0F #1B5B0F #0F5B29

triadic

#1B5B0F #0F1B5B #5B0F1B

tetradic

#1B5B0F #0F415B #4F0F5B #5B290F

square

#1B5B0F #0F415B #4F0F5B #5B290F

split-complementary

#1B5B0F #290F5B #5B0F41

monochromatic

#081A04 #0B2606 #1B5B0F #2B9018 #3AC420

Accessibility & contrast

On white

8.24

#1B5B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1B5B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5B0F

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5B0F	#FFFFFF	#000000	##FFFFFF
##1B5B0F	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5200

Deuteranopia (green-blind)

#564D18

Tritanopia (blue-blind)

#0F584D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1b5b0f;
/* rgb */ color: rgb(27, 91, 15);
/* oklch */ color: oklch(41.5% 0.124 140.9);

Tailwind

colors: {
  custom: {
    50: '#628a54',
    500: '#1b5b0f',
    950: '#000000',
  },
}

SCSS

$custom: #1b5b0f;
$custom-light: #628a54;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5b0f",
  "rgb": {
    "r": 27,
    "g": 91,
    "b": 15
  },
  "hsl": {
    "h": 110.526,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.41474,
    "c": 0.12433,
    "h": 140.9
  },
  "luminance": 0.0775
}

Semantic roles & 50–950 ramp

primary

#1B5B0F

secondary

#853195

accent

#39EED2

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1B5B0F

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

Preview Lab → · Contrast checker → · Palette generator →