#28591B#28591B

#28591B is a dark, moderate green. Relative luminance 0.077; OKLCH L 41.5% C 0.107 H 139.7°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#28591B
RGB	rgb(40, 89, 27)
HSL	hsl(107, 53%, 23%)
HSV	hsv(107, 70%, 35%)
CMYK	cmyk(55.1%, 0%, 69.7%, 65.1%)
CIE-LAB	lab(33.30, -29.68, 29.92)
CIE-LCH	lch(33.30, 42.14, 134.77°)
OKLab	oklab(41.5% -0.0815 0.0692)
OKLCH	oklch(41.5% 0.107 139.7)
XYZ	xyz(4.6451, 7.6747, 2.2733)
Luminance	0.0767 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28591B #4C1B59

analogous

#47591B #28591B #1B592D

triadic

#28591B #1B2859 #591B28

tetradic

#28591B #1B4759 #4C1B59 #592D1B

square

#28591B #1B4759 #4C1B59 #592D1B

split-complementary

#28591B #2D1B59 #591B47

monochromatic

#0B1707 #132A0D #28591B #3D8829 #52B737

Accessibility & contrast

On white

8.28

#28591B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#28591B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28591B

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28591B	#FFFFFF	#000000	##FFFFFF
##28591B	1.00	8.28	2.53	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5113

Deuteranopia (green-blind)

#554D20

Tritanopia (blue-blind)

#23564C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #28591b;
/* rgb */ color: rgb(40, 89, 27);
/* oklch */ color: oklch(41.5% 0.107 139.7);

Tailwind

colors: {
  custom: {
    50: '#67885a',
    500: '#28591b',
    950: '#000000',
  },
}

SCSS

$custom: #28591b;
$custom-light: #67885a;
$custom-dark: #000000;

JSON

{
  "hex": "#28591b",
  "rgb": {
    "r": 40,
    "g": 89,
    "b": 27
  },
  "hsl": {
    "h": 107.419,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.41503,
    "c": 0.10687,
    "h": 139.7
  },
  "luminance": 0.07675
}

Semantic roles & 50–950 ramp

primary

#28591B

secondary

#7E418F

accent

#4BDDBE

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060B04

muted

#7A7C79

Preview Lab

Preview with #28591B

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

Preview Lab → · Contrast checker → · Palette generator →