#28560B#28560B

#28560B is a dark, moderate yellow-green. Relative luminance 0.071; OKLCH L 40.5% C 0.114 H 136.6°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#28560B
RGB	rgb(40, 86, 11)
HSL	hsl(97, 77%, 19%)
HSV	hsv(97, 87%, 34%)
CMYK	cmyk(53.5%, 0%, 87.2%, 66.3%)
CIE-LAB	lab(32.10, -29.69, 35.33)
CIE-LCH	lch(32.10, 46.15, 130.04°)
OKLab	oklab(40.48% -0.0826 0.0781)
OKLCH	oklch(40.48% 0.114 136.6)
XYZ	xyz(4.2631, 7.1306, 1.4682)
Luminance	0.0713 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28560B #390B56

analogous

#4E560B #28560B #0B5614

triadic

#28560B #0B2856 #560B28

tetradic

#28560B #0B4E56 #390B56 #56140B

square

#28560B #0B4E56 #390B56 #56140B

split-complementary

#28560B #140B56 #560B4E

monochromatic

#0D1B03 #0F2004 #28560B #418C12 #5AC319

Accessibility & contrast

On white

8.66

#28560B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#28560B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28560B

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28560B	#FFFFFF	#000000	##FFFFFF
##28560B	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E00

Deuteranopia (green-blind)

#534A14

Tritanopia (blue-blind)

#255348

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #28560b;
/* rgb */ color: rgb(40, 86, 11);
/* oklch */ color: oklch(40.5% 0.114 136.6);

Tailwind

colors: {
  custom: {
    50: '#688652',
    500: '#28560b',
    950: '#000000',
  },
}

SCSS

$custom: #28560b;
$custom-light: #688652;
$custom-dark: #000000;

JSON

{
  "hex": "#28560b",
  "rgb": {
    "r": 40,
    "g": 86,
    "b": 11
  },
  "hsl": {
    "h": 96.8,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.40483,
    "c": 0.11367,
    "h": 136.6
  },
  "luminance": 0.07131
}

Semantic roles & 50–950 ramp

primary

#28560B

secondary

#6A2B91

accent

#34F4AA

background

#F6F8F4

surface

#EBEFE7

border

#C6CAC3

text

#060B02

muted

#7A7C78

Preview Lab

Preview with #28560B

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

Preview Lab → · Contrast checker → · Palette generator →