#1B5E11#1B5E11

#1B5E11 is a dark, vivid green. Relative luminance 0.083; OKLCH L 42.4% C 0.127 H 141.3°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#1B5E11
RGB	rgb(27, 94, 17)
HSL	hsl(112, 69%, 22%)
HSV	hsv(112, 82%, 37%)
CMYK	cmyk(71.3%, 0%, 81.9%, 63.1%)
CIE-LAB	lab(34.56, -36.29, 35.40)
CIE-LCH	lch(34.56, 50.70, 135.71°)
OKLab	oklab(42.39% -0.0991 0.0794)
OKLCH	oklch(42.39% 0.127 141.3)
XYZ	xyz(4.5556, 8.2784, 1.8880)
Luminance	0.0828 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5E11 #54115E

analogous

#425E11 #1B5E11 #115E2E

triadic

#1B5E11 #111B5E #5E111B

tetradic

#1B5E11 #11425E #54115E #5E2E11

square

#1B5E11 #11425E #54115E #5E2E11

split-complementary

#1B5E11 #2E115E #5E1142

monochromatic

#071A05 #0C2A08 #1B5E11 #2A921A #39C624

Accessibility & contrast

On white

7.91

#1B5E11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1B5E11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5E11

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5E11	#FFFFFF	#000000	##FFFFFF
##1B5E11	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615502

Deuteranopia (green-blind)

#594F1A

Tritanopia (blue-blind)

#0D5B4F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5e11;
/* rgb */ color: rgb(27, 94, 17);
/* oklch */ color: oklch(42.4% 0.127 141.3);

Tailwind

colors: {
  custom: {
    50: '#638c56',
    500: '#1b5e11',
    950: '#000000',
  },
}

SCSS

$custom: #1b5e11;
$custom-light: #638c56;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5e11",
  "rgb": {
    "r": 27,
    "g": 94,
    "b": 17
  },
  "hsl": {
    "h": 112.208,
    "s": 69.369,
    "l": 21.765
  },
  "oklch": {
    "l": 0.4239,
    "c": 0.12696,
    "h": 141.3
  },
  "luminance": 0.08279
}

Semantic roles & 50–950 ramp

primary

#1B5E11

secondary

#8A3497

accent

#3CECD5

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1B5E11

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

Preview Lab → · Contrast checker → · Palette generator →