#3F4B13#3F4B13

#3F4B13 is a dark, moderate yellow-green. Relative luminance 0.061; OKLCH L 39.0% C 0.080 H 120.7°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#3F4B13
RGB	rgb(63, 75, 19)
HSL	hsl(73, 60%, 18%)
HSV	hsv(73, 75%, 29%)
CMYK	cmyk(16%, 0%, 74.7%, 70.6%)
CIE-LAB	lab(29.75, -13.90, 30.38)
CIE-LCH	lch(29.75, 33.40, 114.59°)
OKLab	oklab(38.97% -0.0407 0.0685)
OKLCH	oklch(38.97% 0.08 120.7)
XYZ	xyz(4.6836, 6.1359, 1.5536)
Luminance	0.0614 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4B13 #1F134B

analogous

#4B3B13 #3F4B13 #234B13

triadic

#3F4B13 #133F4B #4B133F

tetradic

#3F4B13 #134B3B #1F134B #4B1323

square

#3F4B13 #134B3B #1F134B #4B1323

split-complementary

#3F4B13 #13234B #3B134B

monochromatic

#151806 #161A07 #3F4B13 #687C1F #91AD2C

Accessibility & contrast

On white

9.43

#3F4B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3F4B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4B13

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4B13	#FFFFFF	#000000	##FFFFFF
##3F4B13	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50460B

Deuteranopia (green-blind)

#4F4617

Tritanopia (blue-blind)

#434740

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3f4b13;
/* rgb */ color: rgb(63, 75, 19);
/* oklch */ color: oklch(39.0% 0.080 120.7);

Tailwind

colors: {
  custom: {
    50: '#767d54',
    500: '#3f4b13',
    950: '#000000',
  },
}

SCSS

$custom: #3f4b13;
$custom-light: #767d54;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4b13",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 19
  },
  "hsl": {
    "h": 72.857,
    "s": 59.574,
    "l": 18.431
  },
  "oklch": {
    "l": 0.38966,
    "c": 0.0797,
    "h": 120.7
  },
  "luminance": 0.06136
}

Semantic roles & 50–950 ramp

primary

#3F4B13

secondary

#473684

accent

#45E367

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#090903

muted

#7B7B78

Preview Lab

Preview with #3F4B13

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

Preview Lab → · Contrast checker → · Palette generator →