#3F520E#3F520E

#3F520E is a dark, moderate yellow-green. Relative luminance 0.071; OKLCH L 40.8% C 0.093 H 124.5°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#3F520E
RGB	rgb(63, 82, 14)
HSL	hsl(77, 71%, 19%)
HSV	hsv(77, 83%, 32%)
CMYK	cmyk(23.2%, 0%, 82.9%, 67.8%)
CIE-LAB	lab(32.09, -18.10, 34.76)
CIE-LCH	lch(32.09, 39.19, 117.51°)
OKLab	oklab(40.84% -0.0527 0.0768)
OKLCH	oklch(40.84% 0.093 124.5)
XYZ	xyz(5.1465, 7.1230, 1.5191)
Luminance	0.0712 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F520E #210E52

analogous

#52430E #3F520E #1D520E

triadic

#3F520E #0E3F52 #520E3F

tetradic

#3F520E #0E5243 #210E52 #520E1D

square

#3F520E #0E5243 #210E52 #520E1D

split-complementary

#3F520E #0E1D52 #430E52

monochromatic

#141A04 #171E05 #3F520E #678617 #8FBB20

Accessibility & contrast

On white

8.66

#3F520E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3F520E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F520E

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F520E	#FFFFFF	#000000	##FFFFFF
##3F520E	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574C01

Deuteranopia (green-blind)

#554B15

Tritanopia (blue-blind)

#424E45

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f520e;
/* rgb */ color: rgb(63, 82, 14);
/* oklch */ color: oklch(40.8% 0.093 124.5);

Tailwind

colors: {
  custom: {
    50: '#778253',
    500: '#3f520e',
    950: '#000000',
  },
}

SCSS

$custom: #3f520e;
$custom-light: #778253;
$custom-dark: #000000;

JSON

{
  "hex": "#3f520e",
  "rgb": {
    "r": 63,
    "g": 82,
    "b": 14
  },
  "hsl": {
    "h": 76.765,
    "s": 70.833,
    "l": 18.824
  },
  "oklch": {
    "l": 0.40838,
    "c": 0.09318,
    "h": 124.5
  },
  "luminance": 0.07123
}

Semantic roles & 50–950 ramp

primary

#3F520E

secondary

#492F8C

accent

#3AEE6C

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #3F520E

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

Preview Lab → · Contrast checker → · Palette generator →