#3F540E#3F540E

#3F540E is a dark, moderate yellow-green. Relative luminance 0.074; OKLCH L 41.4% C 0.096 H 125.5°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3F540E
RGB	rgb(63, 84, 14)
HSL	hsl(78, 71%, 19%)
HSV	hsv(78, 83%, 33%)
CMYK	cmyk(25%, 0%, 83.3%, 67.1%)
CIE-LAB	lab(32.76, -19.18, 35.40)
CIE-LCH	lch(32.76, 40.26, 118.45°)
OKLab	oklab(41.39% -0.0556 0.0782)
OKLCH	oklch(41.39% 0.096 125.5)
XYZ	xyz(5.2995, 7.4290, 1.5701)
Luminance	0.0743 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F540E #230E54

analogous

#54460E #3F540E #1C540E

triadic

#3F540E #0E3F54 #540E3F

tetradic

#3F540E #0E5446 #230E54 #540E1C

square

#3F540E #0E5446 #230E54 #540E1C

split-complementary

#3F540E #0E1C54 #460E54

monochromatic

#141A04 #182005 #3F540E #668817 #8EBD1F

Accessibility & contrast

On white

8.45

#3F540E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3F540E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F540E

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F540E	#FFFFFF	#000000	##FFFFFF
##3F540E	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)

#594E01

Deuteranopia (green-blind)

#564D15

Tritanopia (blue-blind)

#425047

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f540e;
/* rgb */ color: rgb(63, 84, 14);
/* oklch */ color: oklch(41.4% 0.096 125.5);

Tailwind

colors: {
  custom: {
    50: '#778453',
    500: '#3f540e',
    950: '#000000',
  },
}

SCSS

$custom: #3f540e;
$custom-light: #778453;
$custom-dark: #000000;

JSON

{
  "hex": "#3f540e",
  "rgb": {
    "r": 63,
    "g": 84,
    "b": 14
  },
  "hsl": {
    "h": 78,
    "s": 71.429,
    "l": 19.216
  },
  "oklch": {
    "l": 0.41388,
    "c": 0.09595,
    "h": 125.5
  },
  "luminance": 0.07429
}

Semantic roles & 50–950 ramp

primary

#3F540E

secondary

#4C2F8E

accent

#3AEE70

background

#F7F8F4

surface

#EDEFE7

border

#C8CAC3

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #3F540E

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

Preview Lab → · Contrast checker → · Palette generator →