#3F511E#3F511E

#3F511E is a dark, moderate yellow-green. Relative luminance 0.070; OKLCH L 40.7% C 0.078 H 126.0°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F511E
RGB	rgb(63, 81, 30)
HSL	hsl(81, 46%, 22%)
HSV	hsv(81, 63%, 32%)
CMYK	cmyk(22.2%, 0%, 63%, 68.2%)
CIE-LAB	lab(31.89, -16.27, 27.19)
CIE-LCH	lch(31.89, 31.69, 120.90°)
OKLab	oklab(40.72% -0.046 0.0634)
OKLCH	oklch(40.72% 0.078 126)
XYZ	xyz(5.2267, 7.0353, 2.3106)
Luminance	0.0703 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F511E #301E51

analogous

#514A1E #3F511E #26511E

triadic

#3F511E #1E3F51 #511E3F

tetradic

#3F511E #1E514A #301E51 #511E26

square

#3F511E #1E514A #301E51 #511E26

split-complementary

#3F511E #1E2651 #4A1E51

monochromatic

#111608 #1C240D #3F511E #627E2F #84AA3F

Accessibility & contrast

On white

8.72

#3F511E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3F511E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F511E

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F511E	#FFFFFF	#000000	##FFFFFF
##3F511E	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C19

Deuteranopia (green-blind)

#534B21

Tritanopia (blue-blind)

#424D46

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f511e;
/* rgb */ color: rgb(63, 81, 30);
/* oklch */ color: oklch(40.7% 0.078 126.0);

Tailwind

colors: {
  custom: {
    50: '#76825c',
    500: '#3f511e',
    950: '#000000',
  },
}

SCSS

$custom: #3f511e;
$custom-light: #76825c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f511e",
  "rgb": {
    "r": 63,
    "g": 81,
    "b": 30
  },
  "hsl": {
    "h": 81.176,
    "s": 45.946,
    "l": 21.765
  },
  "oklch": {
    "l": 0.40723,
    "c": 0.07839,
    "h": 126
  },
  "luminance": 0.07035
}

Semantic roles & 50–950 ramp

primary

#3F511E

secondary

#5C4586

accent

#52D681

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#080A04

muted

#7B7C79

Preview Lab

Preview with #3F511E

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

Preview Lab → · Contrast checker → · Palette generator →