#3F520D#3F520D

#3F520D is a dark, moderate yellow-green. Relative luminance 0.071; OKLCH L 40.8% C 0.094 H 124.4°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#3F520D
RGB	rgb(63, 82, 13)
HSL	hsl(77, 73%, 19%)
HSV	hsv(77, 84%, 32%)
CMYK	cmyk(23.2%, 0%, 84.1%, 67.8%)
CIE-LAB	lab(32.08, -18.16, 35.12)
CIE-LCH	lch(32.08, 39.54, 117.34°)
OKLab	oklab(40.83% -0.053 0.0774)
OKLCH	oklch(40.83% 0.094 124.4)
XYZ	xyz(5.1399, 7.1204, 1.4843)
Luminance	0.0712 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F520D #200D52

analogous

#52420D #3F520D #1C520D

triadic

#3F520D #0D3F52 #520D3F

tetradic

#3F520D #0D5242 #200D52 #520D1C

square

#3F520D #0D5242 #200D52 #520D1C

split-complementary

#3F520D #0D1C52 #420D52

monochromatic

#141A04 #161D05 #3F520D #688715 #90BC1E

Accessibility & contrast

On white

8.66

#3F520D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3F520D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F520D

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F520D	#FFFFFF	#000000	##FFFFFF
##3F520D	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)

#574C00

Deuteranopia (green-blind)

#554B14

Tritanopia (blue-blind)

#424E45

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f520d;
/* rgb */ color: rgb(63, 82, 13);
/* oklch */ color: oklch(40.8% 0.094 124.4);

Tailwind

colors: {
  custom: {
    50: '#778252',
    500: '#3f520d',
    950: '#000000',
  },
}

SCSS

$custom: #3f520d;
$custom-light: #778252;
$custom-dark: #000000;

JSON

{
  "hex": "#3f520d",
  "rgb": {
    "r": 63,
    "g": 82,
    "b": 13
  },
  "hsl": {
    "h": 76.522,
    "s": 72.632,
    "l": 18.627
  },
  "oklch": {
    "l": 0.40831,
    "c": 0.09378,
    "h": 124.4
  },
  "luminance": 0.0712
}

Semantic roles & 50–950 ramp

primary

#3F520D

secondary

#482E8D

accent

#38EF6B

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090A02

muted

#7B7C78

Preview Lab

Preview with #3F520D

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

Preview Lab → · Contrast checker → · Palette generator →