#3F591C#3F591C

#3F591C is a dark, moderate yellow-green. Relative luminance 0.083; OKLCH L 42.9% C 0.093 H 129.3°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F591C
RGB	rgb(63, 89, 28)
HSL	hsl(86, 52%, 23%)
HSV	hsv(86, 69%, 35%)
CMYK	cmyk(29.2%, 0%, 68.5%, 65.1%)
CIE-LAB	lab(34.57, -20.77, 31.19)
CIE-LCH	lch(34.57, 37.47, 123.66°)
OKLab	oklab(42.89% -0.0587 0.0717)
OKLCH	oklch(42.89% 0.093 129.3)
XYZ	xyz(5.8318, 8.2852, 2.3903)
Luminance	0.0828 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F591C #361C59

analogous

#59541C #3F591C #20591C

triadic

#3F591C #1C3F59 #591C3F

tetradic

#3F591C #1C5954 #361C59 #591C20

square

#3F591C #1C5954 #361C59 #591C20

split-complementary

#3F591C #1C2059 #541C59

monochromatic

#101707 #1E2A0D #3F591C #60882B #81B639

Accessibility & contrast

On white

7.90

#3F591C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3F591C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F591C

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F591C	#FFFFFF	#000000	##FFFFFF
##3F591C	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5214

Deuteranopia (green-blind)

#5A5121

Tritanopia (blue-blind)

#41554C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f591c;
/* rgb */ color: rgb(63, 89, 28);
/* oklch */ color: oklch(42.9% 0.093 129.3);

Tailwind

colors: {
  custom: {
    50: '#76885b',
    500: '#3f591c',
    950: '#000000',
  },
}

SCSS

$custom: #3f591c;
$custom-light: #76885b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f591c",
  "rgb": {
    "r": 63,
    "g": 89,
    "b": 28
  },
  "hsl": {
    "h": 85.574,
    "s": 52.137,
    "l": 22.941
  },
  "oklch": {
    "l": 0.42888,
    "c": 0.09262,
    "h": 129.3
  },
  "luminance": 0.08285
}

Semantic roles & 50–950 ramp

primary

#3F591C

secondary

#63428F

accent

#4CDC89

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #3F591C

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

Preview Lab → · Contrast checker → · Palette generator →