#12591B#12591B

#12591B is a dark, moderate green. Relative luminance 0.074; OKLCH L 40.7% C 0.117 H 144.8°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#12591B
RGB	rgb(18, 89, 27)
HSL	hsl(128, 66%, 21%)
HSV	hsv(128, 80%, 35%)
CMYK	cmyk(79.8%, 0%, 69.7%, 65.1%)
CIE-LAB	lab(32.60, -35.26, 28.95)
CIE-LCH	lch(32.60, 45.63, 140.61°)
OKLab	oklab(40.73% -0.0953 0.0673)
OKLCH	oklch(40.73% 0.117 144.8)
XYZ	xyz(4.0194, 7.3520, 2.2439)
Luminance	0.0735 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12591B #591250

analogous

#2C5912 #12591B #12593E

triadic

#12591B #1B1259 #591B12

tetradic

#12591B #122C59 #591250 #593E12

square

#12591B #122C59 #591250 #593E12

split-complementary

#12591B #3E1259 #59122C

monochromatic

#051908 #08260C #12591B #1C8C2A #27BF3A

Accessibility & contrast

On white

8.50

#12591B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#12591B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12591B

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12591B	#FFFFFF	#000000	##FFFFFF
##12591B	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5013

Deuteranopia (green-blind)

#534A21

Tritanopia (blue-blind)

#00564C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #12591b;
/* rgb */ color: rgb(18, 89, 27);
/* oklch */ color: oklch(40.7% 0.117 144.8);

Tailwind

colors: {
  custom: {
    50: '#5d895a',
    500: '#12591b',
    950: '#000000',
  },
}

SCSS

$custom: #12591b;
$custom-light: #5d895a;
$custom-dark: #000000;

JSON

{
  "hex": "#12591b",
  "rgb": {
    "r": 18,
    "g": 89,
    "b": 27
  },
  "hsl": {
    "h": 127.606,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.40727,
    "c": 0.11662,
    "h": 144.8
  },
  "luminance": 0.07352
}

Semantic roles & 50–950 ramp

primary

#12591B

secondary

#923586

accent

#3FD4E9

background

#F5F8F5

surface

#EAF0E9

border

#C6CBC5

text

#050B04

muted

#797C79

Preview Lab

Preview with #12591B

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

Preview Lab → · Contrast checker → · Palette generator →