#1B5A12#1B5A12

#1B5A12 is a dark, vivid green. Relative luminance 0.076; OKLCH L 41.2% C 0.121 H 141.4°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#1B5A12
RGB	rgb(27, 90, 18)
HSL	hsl(113, 67%, 21%)
HSV	hsv(113, 80%, 35%)
CMYK	cmyk(70%, 0%, 80%, 64.7%)
CIE-LAB	lab(33.11, -34.68, 33.59)
CIE-LCH	lch(33.11, 48.28, 135.91°)
OKLab	oklab(41.2% -0.0947 0.0757)
OKLCH	oklch(41.2% 0.121 141.4)
XYZ	xyz(4.2171, 7.5886, 1.8147)
Luminance	0.0759 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5A12 #51125A

analogous

#3F5A12 #1B5A12 #125A2D

triadic

#1B5A12 #121B5A #5A121B

tetradic

#1B5A12 #123F5A #51125A #5A2D12

square

#1B5A12 #123F5A #51125A #5A2D12

split-complementary

#1B5A12 #2D125A #5A123F

monochromatic

#081A05 #0C2708 #1B5A12 #2A8D1C #3AC026

Accessibility & contrast

On white

8.34

#1B5A12 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1B5A12 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5A12

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5A12	#FFFFFF	#000000	##FFFFFF
##1B5A12	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5105

Deuteranopia (green-blind)

#554C1A

Tritanopia (blue-blind)

#0F574C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5a12;
/* rgb */ color: rgb(27, 90, 18);
/* oklch */ color: oklch(41.2% 0.121 141.4);

Tailwind

colors: {
  custom: {
    50: '#618955',
    500: '#1b5a12',
    950: '#000000',
  },
}

SCSS

$custom: #1b5a12;
$custom-light: #618955;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5a12",
  "rgb": {
    "r": 27,
    "g": 90,
    "b": 18
  },
  "hsl": {
    "h": 112.5,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.41195,
    "c": 0.12125,
    "h": 141.4
  },
  "luminance": 0.07589
}

Semantic roles & 50–950 ramp

primary

#1B5A12

secondary

#873593

accent

#3EEAD4

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C03

muted

#7A7D78

Preview Lab

Preview with #1B5A12

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

Preview Lab → · Contrast checker → · Palette generator →