#3F581E#3F581E

#3F581E is a dark, moderate yellow-green. Relative luminance 0.081; OKLCH L 42.6% C 0.089 H 129.3°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F581E
RGB	rgb(63, 88, 30)
HSL	hsl(86, 49%, 23%)
HSV	hsv(86, 66%, 35%)
CMYK	cmyk(28.4%, 0%, 65.9%, 65.5%)
CIE-LAB	lab(34.25, -20.05, 29.85)
CIE-LCH	lch(34.25, 35.96, 123.89°)
OKLab	oklab(42.64% -0.0565 0.0691)
OKLCH	oklch(42.64% 0.089 129.3)
XYZ	xyz(5.7739, 8.1298, 2.4930)
Luminance	0.0813 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F581E #371E58

analogous

#58541E #3F581E #22581E

triadic

#3F581E #1E3F58 #581E3F

tetradic

#3F581E #1E5854 #371E58 #581E22

square

#3F581E #1E5854 #371E58 #581E22

split-complementary

#3F581E #1E2258 #541E58

monochromatic

#101708 #1E2A0E #3F581E #60862E #80B33D

Accessibility & contrast

On white

8.00

#3F581E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3F581E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F581E

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F581E	#FFFFFF	#000000	##FFFFFF
##3F581E	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5217

Deuteranopia (green-blind)

#595022

Tritanopia (blue-blind)

#41544C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f581e;
/* rgb */ color: rgb(63, 88, 30);
/* oklch */ color: oklch(42.6% 0.089 129.3);

Tailwind

colors: {
  custom: {
    50: '#76875c',
    500: '#3f581e',
    950: '#000000',
  },
}

SCSS

$custom: #3f581e;
$custom-light: #76875c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f581e",
  "rgb": {
    "r": 63,
    "g": 88,
    "b": 30
  },
  "hsl": {
    "h": 85.862,
    "s": 49.153,
    "l": 23.137
  },
  "oklch": {
    "l": 0.42636,
    "c": 0.08927,
    "h": 129.3
  },
  "luminance": 0.0813
}

Semantic roles & 50–950 ramp

primary

#3F581E

secondary

#64458D

accent

#4FD98A

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #3F581E

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

Preview Lab → · Contrast checker → · Palette generator →