#3F540D#3F540D

#3F540D is a dark, moderate yellow-green. Relative luminance 0.074; OKLCH L 41.4% C 0.097 H 125.4°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3F540D
RGB	rgb(63, 84, 13)
HSL	hsl(78, 73%, 19%)
HSV	hsv(78, 85%, 33%)
CMYK	cmyk(25%, 0%, 84.5%, 67.1%)
CIE-LAB	lab(32.76, -19.23, 35.75)
CIE-LCH	lch(32.76, 40.59, 118.28°)
OKLab	oklab(41.38% -0.0559 0.0787)
OKLCH	oklch(41.38% 0.097 125.4)
XYZ	xyz(5.2929, 7.4264, 1.5353)
Luminance	0.0743 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F540D #220D54

analogous

#54460D #3F540D #1C540D

triadic

#3F540D #0D3F54 #540D3F

tetradic

#3F540D #0D5446 #220D54 #540D1C

square

#3F540D #0D5446 #220D54 #540D1C

split-complementary

#3F540D #0D1C54 #460D54

monochromatic

#141A04 #171F05 #3F540D #678915 #8EBE1D

Accessibility & contrast

On white

8.45

#3F540D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3F540D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F540D

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F540D	#FFFFFF	#000000	##FFFFFF
##3F540D	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E00

Deuteranopia (green-blind)

#564D14

Tritanopia (blue-blind)

#425047

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f540d;
/* rgb */ color: rgb(63, 84, 13);
/* oklch */ color: oklch(41.4% 0.097 125.4);

Tailwind

colors: {
  custom: {
    50: '#778453',
    500: '#3f540d',
    950: '#000000',
  },
}

SCSS

$custom: #3f540d;
$custom-light: #778453;
$custom-dark: #000000;

JSON

{
  "hex": "#3f540d",
  "rgb": {
    "r": 63,
    "g": 84,
    "b": 13
  },
  "hsl": {
    "h": 77.746,
    "s": 73.196,
    "l": 19.02
  },
  "oklch": {
    "l": 0.41382,
    "c": 0.09654,
    "h": 125.4
  },
  "luminance": 0.07426
}

Semantic roles & 50–950 ramp

primary

#3F540D

secondary

#4B2E8F

accent

#38F06E

background

#F7F8F4

surface

#EDEFE7

border

#C8CAC3

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #3F540D

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

Preview Lab → · Contrast checker → · Palette generator →