#3F591A#3F591A

#3F591A is a dark, moderate yellow-green. Relative luminance 0.083; OKLCH L 42.9% C 0.094 H 129.0°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F591A
RGB	rgb(63, 89, 26)
HSL	hsl(85, 55%, 23%)
HSV	hsv(85, 71%, 35%)
CMYK	cmyk(29.2%, 0%, 70.8%, 65.1%)
CIE-LAB	lab(34.55, -20.95, 32.12)
CIE-LCH	lch(34.55, 38.35, 123.11°)
OKLab	oklab(42.87% -0.0594 0.0734)
OKLCH	oklch(42.87% 0.094 129)
XYZ	xyz(5.8087, 8.2760, 2.2685)
Luminance	0.0828 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F591A #341A59

analogous

#59541A #3F591A #1F591A

triadic

#3F591A #1A3F59 #591A3F

tetradic

#3F591A #1A5954 #341A59 #591A1F

square

#3F591A #1A5954 #341A59 #591A1F

split-complementary

#3F591A #1A1F59 #541A59

monochromatic

#111807 #1D2A0C #3F591A #618828 #82B836

Accessibility & contrast

On white

7.91

#3F591A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3F591A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F591A

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F591A	#FFFFFF	#000000	##FFFFFF
##3F591A	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5212

Deuteranopia (green-blind)

#5A511F

Tritanopia (blue-blind)

#41554C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f591a;
/* rgb */ color: rgb(63, 89, 26);
/* oklch */ color: oklch(42.9% 0.094 129.0);

Tailwind

colors: {
  custom: {
    50: '#76885a',
    500: '#3f591a',
    950: '#000000',
  },
}

SCSS

$custom: #3f591a;
$custom-light: #76885a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f591a",
  "rgb": {
    "r": 63,
    "g": 89,
    "b": 26
  },
  "hsl": {
    "h": 84.762,
    "s": 54.783,
    "l": 22.549
  },
  "oklch": {
    "l": 0.42866,
    "c": 0.09437,
    "h": 129
  },
  "luminance": 0.08276
}

Semantic roles & 50–950 ramp

primary

#3F591A

secondary

#60408F

accent

#4ADE87

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #3F591A

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

Preview Lab → · Contrast checker → · Palette generator →