#3F511D#3F511D

#3F511D is a dark, moderate yellow-green. Relative luminance 0.070; OKLCH L 40.7% C 0.079 H 125.8°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F511D
RGB	rgb(63, 81, 29)
HSL	hsl(81, 47%, 22%)
HSV	hsv(81, 64%, 32%)
CMYK	cmyk(22.2%, 0%, 64.2%, 68.2%)
CIE-LAB	lab(31.88, -16.38, 27.71)
CIE-LCH	lch(31.88, 32.19, 120.59°)
OKLab	oklab(40.71% -0.0464 0.0644)
OKLCH	oklch(40.71% 0.079 125.8)
XYZ	xyz(5.2141, 7.0303, 2.2444)
Luminance	0.0703 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F511D #2F1D51

analogous

#51491D #3F511D #25511D

triadic

#3F511D #1D3F51 #511D3F

tetradic

#3F511D #1D5149 #2F1D51 #511D25

square

#3F511D #1D5149 #2F1D51 #511D25

split-complementary

#3F511D #1D2551 #491D51

monochromatic

#121708 #1C240D #3F511D #627E2D #85AB3D

Accessibility & contrast

On white

8.73

#3F511D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3F511D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F511D

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F511D	#FFFFFF	#000000	##FFFFFF
##3F511D	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C17

Deuteranopia (green-blind)

#534B21

Tritanopia (blue-blind)

#424D46

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f511d;
/* rgb */ color: rgb(63, 81, 29);
/* oklch */ color: oklch(40.7% 0.079 125.8);

Tailwind

colors: {
  custom: {
    50: '#76825b',
    500: '#3f511d',
    950: '#000000',
  },
}

SCSS

$custom: #3f511d;
$custom-light: #76825b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f511d",
  "rgb": {
    "r": 63,
    "g": 81,
    "b": 29
  },
  "hsl": {
    "h": 80.769,
    "s": 47.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.4071,
    "c": 0.07941,
    "h": 125.8
  },
  "luminance": 0.0703
}

Semantic roles & 50–950 ramp

primary

#3F511D

secondary

#5B4486

accent

#51D77F

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#080A04

muted

#7B7C79

Preview Lab

Preview with #3F511D

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

Preview Lab → · Contrast checker → · Palette generator →