#1B5D10#1B5D10

#1B5D10 is a dark, vivid green. Relative luminance 0.081; OKLCH L 42.1% C 0.126 H 141.2°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#1B5D10
RGB	rgb(27, 93, 16)
HSL	hsl(111, 71%, 21%)
HSV	hsv(111, 83%, 36%)
CMYK	cmyk(71%, 0%, 82.8%, 63.5%)
CIE-LAB	lab(34.19, -35.99, 35.41)
CIE-LCH	lch(34.19, 50.49, 135.46°)
OKLab	oklab(42.08% -0.0984 0.0792)
OKLCH	oklch(42.08% 0.126 141.2)
XYZ	xyz(4.4596, 8.0987, 1.8183)
Luminance	0.0810 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5D10 #52105D

analogous

#425D10 #1B5D10 #105D2C

triadic

#1B5D10 #101B5D #5D101B

tetradic

#1B5D10 #10425D #52105D #5D2C10

square

#1B5D10 #10425D #52105D #5D2C10

split-complementary

#1B5D10 #2C105D #5D1042

monochromatic

#081A04 #0C2907 #1B5D10 #2A9119 #39C522

Accessibility & contrast

On white

8.02

#1B5D10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1B5D10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5D10

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5D10	#FFFFFF	#000000	##FFFFFF
##1B5D10	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605400

Deuteranopia (green-blind)

#584E19

Tritanopia (blue-blind)

#0E5A4F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b5d10;
/* rgb */ color: rgb(27, 93, 16);
/* oklch */ color: oklch(42.1% 0.126 141.2);

Tailwind

colors: {
  custom: {
    50: '#628c55',
    500: '#1b5d10',
    950: '#000000',
  },
}

SCSS

$custom: #1b5d10;
$custom-light: #628c55;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5d10",
  "rgb": {
    "r": 27,
    "g": 93,
    "b": 16
  },
  "hsl": {
    "h": 111.429,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.42082,
    "c": 0.12628,
    "h": 141.2
  },
  "luminance": 0.08099
}

Semantic roles & 50–950 ramp

primary

#1B5D10

secondary

#883396

accent

#3AEDD4

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1B5D10

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

Preview Lab → · Contrast checker → · Palette generator →