#3F5813#3F5813

#3F5813 is a dark, moderate yellow-green. Relative luminance 0.081; OKLCH L 42.5% C 0.098 H 127.7°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F5813
RGB	rgb(63, 88, 19)
HSL	hsl(82, 64%, 21%)
HSV	hsv(82, 78%, 35%)
CMYK	cmyk(28.4%, 0%, 78.4%, 65.5%)
CIE-LAB	lab(34.16, -20.97, 34.80)
CIE-LCH	lch(34.16, 40.63, 121.07°)
OKLab	oklab(42.53% -0.0601 0.0778)
OKLCH	oklch(42.53% 0.098 127.7)
XYZ	xyz(5.6572, 8.0831, 1.8781)
Luminance	0.0808 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5813 #2C1358

analogous

#584E13 #3F5813 #1C5813

triadic

#3F5813 #133F58 #58133F

tetradic

#3F5813 #13584E #2C1358 #58131C

square

#3F5813 #13584E #2C1358 #58131C

split-complementary

#3F5813 #131C58 #4E1358

monochromatic

#121905 #1B2608 #3F5813 #638A1E #87BD29

Accessibility & contrast

On white

8.03

#3F5813 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3F5813 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5813

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5813	#FFFFFF	#000000	##FFFFFF
##3F5813	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5106

Deuteranopia (green-blind)

#595019

Tritanopia (blue-blind)

#42544B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f5813;
/* rgb */ color: rgb(63, 88, 19);
/* oklch */ color: oklch(42.5% 0.098 127.7);

Tailwind

colors: {
  custom: {
    50: '#778756',
    500: '#3f5813',
    950: '#000000',
  },
}

SCSS

$custom: #3f5813;
$custom-light: #778756;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5813",
  "rgb": {
    "r": 63,
    "g": 88,
    "b": 19
  },
  "hsl": {
    "h": 81.739,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.42527,
    "c": 0.09832,
    "h": 127.7
  },
  "luminance": 0.08083
}

Semantic roles & 50–950 ramp

primary

#3F5813

secondary

#573790

accent

#40E77D

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5813

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

Preview Lab → · Contrast checker → · Palette generator →