#3F511A#3F511A

#3F511A is a dark, moderate yellow-green. Relative luminance 0.070; OKLCH L 40.7% C 0.082 H 125.3°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3F511A
RGB	rgb(63, 81, 26)
HSL	hsl(80, 51%, 21%)
HSV	hsv(80, 68%, 32%)
CMYK	cmyk(22.2%, 0%, 67.9%, 68.2%)
CIE-LAB	lab(31.84, -16.67, 29.21)
CIE-LCH	lch(31.84, 33.63, 119.71°)
OKLab	oklab(40.67% -0.0476 0.0672)
OKLCH	oklch(40.67% 0.082 125.3)
XYZ	xyz(5.1788, 7.0161, 2.0585)
Luminance	0.0702 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F511A #2C1A51

analogous

#51471A #3F511A #23511A

triadic

#3F511A #1A3F51 #511A3F

tetradic

#3F511A #1A5147 #2C1A51 #511A23

square

#3F511A #1A5147 #2C1A51 #511A23

split-complementary

#3F511A #1A2351 #471A51

monochromatic

#121707 #1B230B #3F511A #637F29 #87AE38

Accessibility & contrast

On white

8.74

#3F511A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3F511A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F511A

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F511A	#FFFFFF	#000000	##FFFFFF
##3F511A	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C13

Deuteranopia (green-blind)

#534B1E

Tritanopia (blue-blind)

#424D45

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f511a;
/* rgb */ color: rgb(63, 81, 26);
/* oklch */ color: oklch(40.7% 0.082 125.3);

Tailwind

colors: {
  custom: {
    50: '#768259',
    500: '#3f511a',
    950: '#000000',
  },
}

SCSS

$custom: #3f511a;
$custom-light: #768259;
$custom-dark: #000000;

JSON

{
  "hex": "#3f511a",
  "rgb": {
    "r": 63,
    "g": 81,
    "b": 26
  },
  "hsl": {
    "h": 79.636,
    "s": 51.402,
    "l": 20.98
  },
  "oklch": {
    "l": 0.40674,
    "c": 0.08233,
    "h": 125.3
  },
  "luminance": 0.07016
}

Semantic roles & 50–950 ramp

primary

#3F511A

secondary

#574087

accent

#4DDB7B

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#090A04

muted

#7B7C79

Preview Lab

Preview with #3F511A

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

Preview Lab → · Contrast checker → · Palette generator →