#3F541B#3F541B

#3F541B is a dark, moderate yellow-green. Relative luminance 0.075; OKLCH L 41.5% C 0.086 H 127.0°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#3F541B
RGB	rgb(63, 84, 27)
HSL	hsl(82, 51%, 22%)
HSV	hsv(82, 68%, 33%)
CMYK	cmyk(25%, 0%, 67.9%, 67.1%)
CIE-LAB	lab(32.87, -18.21, 29.83)
CIE-LCH	lch(32.87, 34.95, 121.40°)
OKLab	oklab(41.51% -0.0517 0.0687)
OKLCH	oklch(41.51% 0.086 127)
XYZ	xyz(5.4181, 7.4765, 2.1943)
Luminance	0.0748 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F541B #301B54

analogous

#544D1B #3F541B #23541B

triadic

#3F541B #1B3F54 #541B3F

tetradic

#3F541B #1B544D #301B54 #541B23

square

#3F541B #1B544D #301B54 #541B23

split-complementary

#3F541B #1B2354 #4D1B54

monochromatic

#111707 #1C260C #3F541B #62822A #84B139

Accessibility & contrast

On white

8.42

#3F541B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3F541B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F541B

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F541B	#FFFFFF	#000000	##FFFFFF
##3F541B	1.00	8.42	2.50	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E14

Deuteranopia (green-blind)

#564D1F

Tritanopia (blue-blind)

#415048

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f541b;
/* rgb */ color: rgb(63, 84, 27);
/* oklch */ color: oklch(41.5% 0.086 127.0);

Tailwind

colors: {
  custom: {
    50: '#76845a',
    500: '#3f541b',
    950: '#000000',
  },
}

SCSS

$custom: #3f541b;
$custom-light: #76845a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f541b",
  "rgb": {
    "r": 63,
    "g": 84,
    "b": 27
  },
  "hsl": {
    "h": 82.105,
    "s": 51.351,
    "l": 21.765
  },
  "oklch": {
    "l": 0.41505,
    "c": 0.08595,
    "h": 127
  },
  "luminance": 0.07477
}

Semantic roles & 50–950 ramp

primary

#3F541B

secondary

#5C418A

accent

#4DDB81

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090A04

muted

#7B7C79

Preview Lab

Preview with #3F541B

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

Preview Lab → · Contrast checker → · Palette generator →