#3F560B#3F560B

#3F560B is a dark, moderate yellow-green. Relative luminance 0.077; OKLCH L 41.9% C 0.100 H 126.1°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3F560B
RGB	rgb(63, 86, 11)
HSL	hsl(78, 77%, 19%)
HSV	hsv(78, 87%, 34%)
CMYK	cmyk(26.7%, 0%, 87.2%, 66.3%)
CIE-LAB	lab(33.43, -20.38, 37.03)
CIE-LCH	lch(33.43, 42.27, 118.83°)
OKLab	oklab(41.92% -0.0592 0.0811)
OKLCH	oklch(41.92% 0.1 126.1)
XYZ	xyz(5.4381, 7.7364, 1.5233)
Luminance	0.0774 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F560B #220B56

analogous

#56480B #3F560B #1A560B

triadic

#3F560B #0B3F56 #560B3F

tetradic

#3F560B #0B5648 #220B56 #560B1A

square

#3F560B #0B5648 #220B56 #560B1A

split-complementary

#3F560B #0B1A56 #480B56

monochromatic

#141B03 #172004 #3F560B #678C12 #8EC319

Accessibility & contrast

On white

8.24

#3F560B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3F560B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F560B

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F560B	#FFFFFF	#000000	##FFFFFF
##3F560B	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B4F00

Deuteranopia (green-blind)

#584E13

Tritanopia (blue-blind)

#425148

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f560b;
/* rgb */ color: rgb(63, 86, 11);
/* oklch */ color: oklch(41.9% 0.100 126.1);

Tailwind

colors: {
  custom: {
    50: '#778552',
    500: '#3f560b',
    950: '#000000',
  },
}

SCSS

$custom: #3f560b;
$custom-light: #778552;
$custom-dark: #000000;

JSON

{
  "hex": "#3f560b",
  "rgb": {
    "r": 63,
    "g": 86,
    "b": 11
  },
  "hsl": {
    "h": 78.4,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.41921,
    "c": 0.10036,
    "h": 126.1
  },
  "luminance": 0.07737
}

Semantic roles & 50–950 ramp

primary

#3F560B

secondary

#4B2B91

accent

#34F46F

background

#F7F8F4

surface

#EDEFE7

border

#C8CAC3

text

#090B02

muted

#7B7C78

Preview Lab

Preview with #3F560B

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

Preview Lab → · Contrast checker → · Palette generator →