#1B5F11#1B5F11

#1B5F11 is a dark, vivid green. Relative luminance 0.085; OKLCH L 42.7% C 0.128 H 141.3°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B5F11
RGB	rgb(27, 95, 17)
HSL	hsl(112, 70%, 22%)
HSV	hsv(112, 82%, 37%)
CMYK	cmyk(71.6%, 0%, 82.1%, 62.7%)
CIE-LAB	lab(34.92, -36.67, 35.75)
CIE-LCH	lch(34.92, 51.21, 135.73°)
OKLab	oklab(42.69% -0.1001 0.0801)
OKLCH	oklch(42.69% 0.128 141.3)
XYZ	xyz(4.6451, 8.4574, 1.9179)
Luminance	0.0846 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5F11 #55115F

analogous

#425F11 #1B5F11 #115F2E

triadic

#1B5F11 #111B5F #5F111B

tetradic

#1B5F11 #11425F #55115F #5F2E11

square

#1B5F11 #11425F #55115F #5F2E11

split-complementary

#1B5F11 #2E115F #5F1142

monochromatic

#071A05 #0C2B08 #1B5F11 #2A931A #39C724

Accessibility & contrast

On white

7.80

#1B5F11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1B5F11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5F11

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5F11	#FFFFFF	#000000	##FFFFFF
##1B5F11	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625501

Deuteranopia (green-blind)

#5A501A

Tritanopia (blue-blind)

#0D5C50

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b5f11;
/* rgb */ color: rgb(27, 95, 17);
/* oklch */ color: oklch(42.7% 0.128 141.3);

Tailwind

colors: {
  custom: {
    50: '#638d56',
    500: '#1b5f11',
    950: '#000000',
  },
}

SCSS

$custom: #1b5f11;
$custom-light: #638d56;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5f11",
  "rgb": {
    "r": 27,
    "g": 95,
    "b": 17
  },
  "hsl": {
    "h": 112.308,
    "s": 69.643,
    "l": 21.961
  },
  "oklch": {
    "l": 0.4269,
    "c": 0.12821,
    "h": 141.3
  },
  "luminance": 0.08458
}

Semantic roles & 50–950 ramp

primary

#1B5F11

secondary

#8B3498

accent

#3BECD6

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1B5F11

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

Preview Lab → · Contrast checker → · Palette generator →