#12581B#12581B

#12581B is a dark, moderate green. Relative luminance 0.072; OKLCH L 40.4% C 0.115 H 144.8°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#12581B
RGB	rgb(18, 88, 27)
HSL	hsl(128, 66%, 21%)
HSV	hsv(128, 80%, 35%)
CMYK	cmyk(79.5%, 0%, 69.3%, 65.5%)
CIE-LAB	lab(32.23, -34.88, 28.54)
CIE-LCH	lch(32.23, 45.07, 140.71°)
OKLab	oklab(40.42% -0.0942 0.0664)
OKLCH	oklch(40.42% 0.115 144.8)
XYZ	xyz(3.9367, 7.1867, 2.2164)
Luminance	0.0719 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12581B #58124F

analogous

#2C5812 #12581B #12583E

triadic

#12581B #1B1258 #581B12

tetradic

#12581B #122C58 #58124F #583E12

square

#12581B #122C58 #58124F #583E12

split-complementary

#12581B #3E1258 #58122C

monochromatic

#051908 #08250B #12581B #1C8B2B #27BE3A

Accessibility & contrast

On white

8.62

#12581B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#12581B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12581B

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12581B	#FFFFFF	#000000	##FFFFFF
##12581B	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F14

Deuteranopia (green-blind)

#524A20

Tritanopia (blue-blind)

#00564B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #12581b;
/* rgb */ color: rgb(18, 88, 27);
/* oklch */ color: oklch(40.4% 0.115 144.8);

Tailwind

colors: {
  custom: {
    50: '#5d885a',
    500: '#12581b',
    950: '#000000',
  },
}

SCSS

$custom: #12581b;
$custom-light: #5d885a;
$custom-dark: #000000;

JSON

{
  "hex": "#12581b",
  "rgb": {
    "r": 18,
    "g": 88,
    "b": 27
  },
  "hsl": {
    "h": 127.714,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.40422,
    "c": 0.11528,
    "h": 144.8
  },
  "luminance": 0.07187
}

Semantic roles & 50–950 ramp

primary

#12581B

secondary

#913585

accent

#3FD3E9

background

#F5F8F5

surface

#E9F0E9

border

#C5CBC5

text

#050B04

muted

#797C79

Preview Lab

Preview with #12581B

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

Preview Lab → · Contrast checker → · Palette generator →