#1B5C10#1B5C10

#1B5C10 is a dark, vivid green. Relative luminance 0.079; OKLCH L 41.8% C 0.125 H 141.1°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#1B5C10
RGB	rgb(27, 92, 16)
HSL	hsl(111, 70%, 21%)
HSV	hsv(111, 83%, 36%)
CMYK	cmyk(70.7%, 0%, 82.6%, 63.9%)
CIE-LAB	lab(33.82, -35.61, 35.06)
CIE-LCH	lch(33.82, 49.97, 135.44°)
OKLab	oklab(41.78% -0.0973 0.0785)
OKLCH	oklch(41.78% 0.125 141.1)
XYZ	xyz(4.3724, 7.9243, 1.7892)
Luminance	0.0793 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5C10 #51105C

analogous

#415C10 #1B5C10 #105C2B

triadic

#1B5C10 #101B5C #5C101B

tetradic

#1B5C10 #10415C #51105C #5C2B10

square

#1B5C10 #10415C #51105C #5C2B10

split-complementary

#1B5C10 #2B105C #5C1041

monochromatic

#081A05 #0C2807 #1B5C10 #2A9019 #3AC422

Accessibility & contrast

On white

8.12

#1B5C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1B5C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5C10

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5C10	#FFFFFF	#000000	##FFFFFF
##1B5C10	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5301

Deuteranopia (green-blind)

#574E19

Tritanopia (blue-blind)

#0F594E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5c10;
/* rgb */ color: rgb(27, 92, 16);
/* oklch */ color: oklch(41.8% 0.125 141.1);

Tailwind

colors: {
  custom: {
    50: '#628b55',
    500: '#1b5c10',
    950: '#000000',
  },
}

SCSS

$custom: #1b5c10;
$custom-light: #628b55;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5c10",
  "rgb": {
    "r": 27,
    "g": 92,
    "b": 16
  },
  "hsl": {
    "h": 111.316,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.41782,
    "c": 0.12502,
    "h": 141.1
  },
  "luminance": 0.07925
}

Semantic roles & 50–950 ramp

primary

#1B5C10

secondary

#873395

accent

#3BEDD3

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1B5C10

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

Preview Lab → · Contrast checker → · Palette generator →