#3F591E#3F591E

#3F591E is a dark, moderate yellow-green. Relative luminance 0.083; OKLCH L 42.9% C 0.091 H 129.7°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F591E
RGB	rgb(63, 89, 30)
HSL	hsl(86, 50%, 23%)
HSV	hsv(86, 66%, 35%)
CMYK	cmyk(29.2%, 0%, 66.3%, 65.1%)
CIE-LAB	lab(34.59, -20.57, 30.22)
CIE-LCH	lch(34.59, 36.56, 124.24°)
OKLab	oklab(42.91% -0.0579 0.0699)
OKLCH	oklch(42.91% 0.091 129.7)
XYZ	xyz(5.8566, 8.2951, 2.5206)
Luminance	0.0829 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F591E #381E59

analogous

#59551E #3F591E #21591E

triadic

#3F591E #1E3F59 #591E3F

tetradic

#3F591E #1E5955 #381E59 #591E21

square

#3F591E #1E5955 #381E59 #591E21

split-complementary

#3F591E #1E2159 #551E59

monochromatic

#101708 #1F2B0F #3F591E #5F872D #80B53D

Accessibility & contrast

On white

7.90

#3F591E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3F591E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F591E

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F591E	#FFFFFF	#000000	##FFFFFF
##3F591E	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)

#5D5317

Deuteranopia (green-blind)

#5A5122

Tritanopia (blue-blind)

#41554D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f591e;
/* rgb */ color: rgb(63, 89, 30);
/* oklch */ color: oklch(42.9% 0.091 129.7);

Tailwind

colors: {
  custom: {
    50: '#76885d',
    500: '#3f591e',
    950: '#000000',
  },
}

SCSS

$custom: #3f591e;
$custom-light: #76885d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f591e",
  "rgb": {
    "r": 63,
    "g": 89,
    "b": 30
  },
  "hsl": {
    "h": 86.441,
    "s": 49.58,
    "l": 23.333
  },
  "oklch": {
    "l": 0.4291,
    "c": 0.0908,
    "h": 129.7
  },
  "luminance": 0.08295
}

Semantic roles & 50–950 ramp

primary

#3F591E

secondary

#65458E

accent

#4FD98C

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #3F591E

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

Preview Lab → · Contrast checker → · Palette generator →