#3F5812#3F5812

#3F5812 is a dark, moderate yellow-green. Relative luminance 0.081; OKLCH L 42.5% C 0.099 H 127.6°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F5812
RGB	rgb(63, 88, 18)
HSL	hsl(81, 66%, 21%)
HSV	hsv(81, 80%, 35%)
CMYK	cmyk(28.4%, 0%, 79.5%, 65.5%)
CIE-LAB	lab(34.15, -21.03, 35.19)
CIE-LCH	lch(34.15, 41.00, 120.86°)
OKLab	oklab(42.52% -0.0604 0.0785)
OKLCH	oklch(42.52% 0.099 127.6)
XYZ	xyz(5.6488, 8.0798, 1.8341)
Luminance	0.0808 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5812 #2B1258

analogous

#584E12 #3F5812 #1C5812

triadic

#3F5812 #123F58 #58123F

tetradic

#3F5812 #12584E #2B1258 #58121C

square

#3F5812 #12584E #2B1258 #58121C

split-complementary

#3F5812 #121C58 #4E1258

monochromatic

#121905 #1B2508 #3F5812 #638B1C #88BE27

Accessibility & contrast

On white

8.03

#3F5812 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3F5812 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5812

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5812	#FFFFFF	#000000	##FFFFFF
##3F5812	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5105

Deuteranopia (green-blind)

#595019

Tritanopia (blue-blind)

#42544B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f5812;
/* rgb */ color: rgb(63, 88, 18);
/* oklch */ color: oklch(42.5% 0.099 127.6);

Tailwind

colors: {
  custom: {
    50: '#778756',
    500: '#3f5812',
    950: '#000000',
  },
}

SCSS

$custom: #3f5812;
$custom-light: #778756;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5812",
  "rgb": {
    "r": 63,
    "g": 88,
    "b": 18
  },
  "hsl": {
    "h": 81.429,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.42519,
    "c": 0.099,
    "h": 127.6
  },
  "luminance": 0.0808
}

Semantic roles & 50–950 ramp

primary

#3F5812

secondary

#563591

accent

#3FE97C

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5812

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

Preview Lab → · Contrast checker → · Palette generator →