#28581B#28581B

#28581B is a dark, moderate green. Relative luminance 0.075; OKLCH L 41.2% C 0.105 H 139.6°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#28581B
RGB	rgb(40, 88, 27)
HSL	hsl(107, 53%, 23%)
HSV	hsv(107, 69%, 35%)
CMYK	cmyk(54.5%, 0%, 69.3%, 65.5%)
CIE-LAB	lab(32.94, -29.23, 29.53)
CIE-LCH	lch(32.94, 41.55, 134.71°)
OKLab	oklab(41.21% -0.0803 0.0683)
OKLCH	oklch(41.21% 0.105 139.6)
XYZ	xyz(4.5624, 7.5094, 2.2457)
Luminance	0.0751 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28581B #4B1B58

analogous

#46581B #28581B #1B582C

triadic

#28581B #1B2858 #581B28

tetradic

#28581B #1B4658 #4B1B58 #582C1B

square

#28581B #1B4658 #4B1B58 #582C1B

split-complementary

#28581B #2C1B58 #581B46

monochromatic

#0B1707 #13290D #28581B #3D8729 #53B638

Accessibility & contrast

On white

8.39

#28581B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#28581B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28581B

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28581B	#FFFFFF	#000000	##FFFFFF
##28581B	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5014

Deuteranopia (green-blind)

#544C20

Tritanopia (blue-blind)

#23554B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #28581b;
/* rgb */ color: rgb(40, 88, 27);
/* oklch */ color: oklch(41.2% 0.105 139.6);

Tailwind

colors: {
  custom: {
    50: '#67875a',
    500: '#28581b',
    950: '#000000',
  },
}

SCSS

$custom: #28581b;
$custom-light: #67875a;
$custom-dark: #000000;

JSON

{
  "hex": "#28581b",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 27
  },
  "hsl": {
    "h": 107.213,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.4121,
    "c": 0.10542,
    "h": 139.6
  },
  "luminance": 0.0751
}

Semantic roles & 50–950 ramp

primary

#28581B

secondary

#7D418E

accent

#4BDCBE

background

#F6F8F5

surface

#EBEFE9

border

#C6CAC5

text

#060B04

muted

#7A7C79

Preview Lab

Preview with #28581B

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

Preview Lab → · Contrast checker → · Palette generator →